Android freelance development jobs

I'm looking to set up an online store where I can sell unique physical goods. I will not need to manage inventory as each item is distinct. The website should be equipped to handle credit card and PayPal transactions. Key requirements: - Develop an e-commerce website that can handle un...The website should be equipped to handle credit card and PayPal transactions. Key requirements: - Develop an e-commerce website that can handle unique, physical products. - Implement a user-friendly interface for easy browsing and purchase. - Ensure secure payment gateways for credit card and PayPal transactions. Ideal skills for this project include: - Proficiency in e-commerce website development. - Experience with unique inventory management systems. - Knowledge of secure payment gatew...

I need Satta matka android application with admin panel .

...in Drupal development, with experience in both Drupal 6 and the latest version of Drupal. • Strong understanding of software architecture principles, particularly MVC pattern and API design. • Experience in developing RESTful APIs using Drupal's built-in capabilities or external modules. • Ability to refactor and migrate existing codebase while maintaining functionality and performance. • Excellent communication skills and ability to work collaboratively in a remote team environment. • Prior experience in large-scale system revamp projects or similar initiatives is preferred. Additional Information: This is a remote freelance opportunity. The selected candidate will be provided with access to the existing codebase and will work closely with...

We are looking for a talented and experienced Android/Flutter developer with a strong understanding of AI to join our team for an exciting app development project. The ideal candidate will have a solid background in Android and/or Flutter development and be well-versed in integrating AI technologies into mobile applications. We are working on an innovative app project that requires expertise in Android/Flutter development and AI integration. Your role will involve developing and implementing AI features into our app, ensuring seamless functionality and a great user experience. Key Responsibilities: Develop and implement AI features into our Android/Flutter app. Collaborate with the design and product teams to ensure the app meets our requ...

I need a database where we can store our sales transactions. The database will be manually updated by our staff. I would also like to have reports generated on our sales. Key Requirements: - Develop a database to store sales transactions - Enable manual data entry by staff - Implement a reporting system that can generate sales reports Ideal Skills: - Proficiency in database development - Experience with manual data input systems - Ability to create custom reporting features Please provide examples of previous similar projects you've worked on.

* iOS & Android (phone + tablet) * Web Admin Dashboard (Used to create learning app) * Web Customer Dashboard to access flash cards from web browser * Mobile Responsive * This will be a learning app * Flash card, It will have Images + Audio + Text to learn new words (thousands of total words) * Flashcard will have 2-3 art styles (Realistic, Cartoon Art, 3d Art) * Flashcard will have 2 voice over, male & female * Ability to handle stripe processing for each flashcard set. If you have experience + past work in this area, it's a plus * I'm open for new ideas from you when applying * $ released on successful test and is bug free * I will need source code upon payment * Please type "I've read everything" when applying to be considered.

...a seasoned Android development specialist who can assist me in designing an application for school bus management. This app should include significant features like: - Real-time GPS tracking that allows the physical observation of the school bus around the clock. - Outline of attendance management that streamlines the recording of student presence and absence. - Communication hub for parents with push notifications, SMS messages, and email alerts. These notifications should keep parents updated about their children's transportation journey, providing important details such as the current location of the bus, exact arrival and departure times, and any unforeseen delays or emergencies. The ideal candidate for this project will have proven experience in Android...

Are you passionate about crafting exceptional ecommerce platforms using GO lang and React JS/Next JS? Project Description: We are in need of an expert developer to create a dynamic ecommerce platform focusing on digital goods and services. The project entails building three main sectors: Front-end Development: Implement user authentication, service listing, and seamless communication with the backend via API. Supplier Backend: Develop functionalities for suppliers to manage products, process orders, and handle cancellations efficiently. Admin Backend: Construct a robust admin panel to oversee order processing, site settings, and overall platform management. System Overview: Showcase popular services through a slider on the front end, adjustable by the admin. ...

I am in need of an expert in Android application development for a commercial grocery shop app. The freelancer should have substantial background in Android app development. The app needs to be user-friendly and engaging. Key Requirements: - Ability to develop an Android app from scratch - Proficient in Java or Kotlin - Familiarity with Android SDK and Android Studio Please detail your experience with Android development in your bid, it would heavily influence my decision. Looking forward to having an experienced professional developer on board!

I'm in need of a seasoned game developer to bring my low poly fantasy RPG game concept to life. This game will primar...The gaming experience should focus on puzzling quests that challenge the player's problem solving abilities. - An element of exploration and treasure discovery must be integrated, keeping the game intriguing and engaging. - The combat system, while not the focus, should still be developed, keeping in line with the fantasy theme. Ideal Skills: - Proven experience in PC and Console RPG game development - Excellent understanding and application of low poly design - Prior success with puzzle and exploration-based games - Strong design and programming ability. Seeking a dedicated professional eager to collaborate on this exciting project! A passion for fant...

...Leaderboards: This requires creating a competitive environment for players where they can compare their scores and achievements with other players. Ideally, the leaderboard should be dynamic, updating in real-time, and easy for players to understand and navigate. Ideal Skills/Experience: - Laravel PHP Framework: Proficient skills and experience in Laravel development will be essential for this project. - Game Design: Experience in engaging game development, particularly in creating colour prediction games, is agreed. - Cartoon-style Graphic Design: I'm looking for someone experienced in developing playful, cartoon-style graphics that can bring the game to life. - Leaderboard Implementation: Proven experience in developing interactive leaderboards in gaming applicati...

I am seeking a skilled Unreal Engine Developer to create a state-of-the-art, interactive and engaging virtual mall. My vision involves a modern and futuristic design aesthetic. This virtual reality project will primarily function to provide a unique and compelling shopping experience. Here are a few competencies I’ll require from you: - Expertise in Unreal Engine and virtual world building - Proficiency in designing and implementing immersive VR experiences - Ability to create an extensive virtual shopping environment, including, but not limited to interactive stores, VR shopping carts, and engaging 3D storefronts. Essentially, I am looking for an individual who can bring a cutting-edge shopping experience to life through expert design and functionality. If you possess the skills...

We need few customizations done for Perfex CRM and Custom Module Development for Perfex CRM. If you have experience in creating custom modules or customizing core of Perfex CRM, then you'll easily understand requirements. I have a detailed list of features I need developed, I'll share that document with those who are shortlisted for this project. You must mention "Dell" in the proposal in order to be noticed. Here is a brief for List of Features. 1. Invoice Currency Conversion using API and storing conversion rate in the database with date 2. Storing invoice value in base currency that is calculated based on conversion rate in the database so the total revenue is correct. 3. Invoice Custom Field Behavior changing, width of dropdown, custom field value and ...

I'm ...simple 'City' table, performing basic CRUD operations. Expectations: - The X-API-Key should be hardcoded in the application. - The WebAPI should be developed using .NET 8.0 and the Visual Studio template "WebApi Net core (Minimal api)". - Data access should be implemented using EFCore. - Authorization should be handled through middleware. Ideal Skills and Experience: - Proficiency in .NET development, specifically .NET 8.0. - Strong experience in developing WebAPIs using Visual Studio templates. - Expertise in integrating authentication and authorization mechanisms, particularly X-API-Key. - Prior experience with EFCore for data access. - Familiarity with middleware implementation for authorization. Please ensure to include relevant examples ...

I'm seeking a seasoned web developer proficient in both front-end and back-end development to tackle an exciting project. This opportunity involves creating an efficient, user-friendly e-commerce website tailored to my needs and preferences. Key Responsibilities: - Developing a robust e-commerce website on WooCommerce platform. - Efficiently handling both front-end and back-end tasks. Skills and Experience: - Proven experience in developing WooCommerce websites. - Strong skills in front-end and back-end development. - Comprehensive knowledge in database management would be a bonus, although not required. Your expertise will play a vital role in making the e-commerce platform both visually appealing and easy to navigate, providing a seamless shopping experience for our...

...like you to join our team on a freelance basis and help us bring our vision to life! Project Overview: We're seeking a skilled developer to design and develop an app using Bubble that seamlessly integrates with our CRM system. The app will streamline our processes, improve efficiency, and enhance user experience by providing a user-friendly interface for managing contacts and data. Key Responsibilities: Collaborate with our team to understand our CRM system and business requirements Design and develop a user-friendly app using Bubble that integrates seamlessly with our CRM Implement features for managing contacts, data entry, and reporting Ensure the app meets our standards of quality, performance, and security Skills Required: Proficiency in Bubble development E...

I am in need of a skilled developer to bring my iGaming mystery box website to life. The UI has been designed, but I need someone who can implement the UI and add the necessary functionality to the platform. Key Requirements: - **Mystery Box Purchase and Opening:** Users should be able to purchase mystery boxes and open them to reveal the contents. - **Payment Integration:** The website must be integrated with a secure payment gateway for seamless transactions. - **Battles Game Functionality:** The platform should offer one-on-one battles between users, multiplayer battles, and AI-controlled battles. - **Rewards Opening and Functionality:** Users should be able to open rewards, primarily in the form of virtual goods. - **Admin Panel:** The backend should include functionalities like authe...

I have a web application build in Angular. In this application i also want to gather real-time score data from football games, providing dynamic updates to users. And send noti...this application i also want to gather real-time score data from football games, providing dynamic updates to users. And send notifications when goals are made. Key Features Required: - Robust scraping solution to ensure constant, consistent live score updates - User-friendly interface showcasing live scores in a digestible manner Ideal Skills and Experience: - Proficient in Angular-related development - Previous experience with web scraping technologies - Familiarity with designing user-friendly web interfaces - Excellent problem-solving skills to ensure the smooth delivery of live data updates and noti...

I'm in need of a skilled Android developer to create a utility tool app that works as a merged signal generator and oscilloscope. like this but in one app for graduation project: Key Features: - Signal Generation: The app should be able to generate various electrical signals. - Waveform Visualization: The app should provide a clear visualization of generated signals in waveform format. Requirements: - You should have a strong background in Android app development, specifically in creating utility tools. - Experience with signal processing and waveform visualization is a plus. - A good understanding of UI/UX design principles to ensure a user-friendly experience.

I am starting a new business selling cards with qr codes. I want to create a web app with following functionality would it be possible, 1. Landing page where public can view my products. To buy them they must sign up and fill out their details along with customisation to the physical card. 2....anyway. 5. Once on the dashboard i want the user to be able to see analytics of the static link of the qr. 6. On the dashboard i want there to be a credit card like ui where user can quickly switch the link that the qr points to by tapping the respective card. They should be able to add more cards and delete them if needed. 7. Each functionality need to have their own api for future mobile app development. Please suggest any changes if you have any better or more viable solution for th...

...Qualified Security Assessor (QSA) Expert who can assist me with ensuring that my mobile app meets the necessary security standards for payment processing. The app is developed for both iOS and Android platforms, with the primary function being payment processing. Ideal skills for this project include: - Experience in achieving PCI DSS compliance requirements & QSA certification for mobile applications. - Strong background in mobile app development, particularly Android - Previous experience with payment processing apps - Excellent communication and documentation skills - Proficient in the development of secure mobile applications that process financial transactions - Certified QSA (Qualified Security Assessor) PCI level 4. Key responsibilities include:...

Location: Trinity, North Carolina, 90% on-site (see info in the requirements section) Job Type: Freelance/Part-Time - Possibility for long-term assignments Employment Type: Contract – Project oriented This project is ideal for students and entry-level professionals. Involves assisting with product photography and videography for my new online store opening. If you have a knack for capturing stunning, unique images and are ready to bring your creative flair to my product range, I want to hear from you! Responsibilities: • Assist in setting up photography scenes with limited props, a trip(s) to purchase necessary items will likely be involved. • Provide guidance on lighting techniques, photography methods, and tips to capture the best images of...

We are seeking a skilled and experienced java developer to create a custom JMeter backend listener that can send real-time test results directly to a PostgreSQL database. This project aims to enhance our testing capabilities by enabling seaml...can send real-time test results directly to a PostgreSQL database. This project aims to enhance our testing capabilities by enabling seamless integration of JMeter results into our PostgreSQL environment, similar to existing solutions for MySQL like the one found at "" Requirements: Proven experience with Java programming and JMeter test development. Strong knowledge of PostgreSQL and experience in integrating it with Java applications. Familiarity with the JMeter API and backend listener framework

I need a skilled WordPress developer to create a company information website as soon as possible. The site should be designed to showcase the following elements: - **About Us**: A compelling and comprehensive write-up about our company's history, mission, and values. - **Contact Information**: This should be prominently displayed and easily acce...and phone number. - **Products and Certifications**: A section detailing our products and services, as well as any relevant certifications or quality standards we adhere to. The website should have a professional and modern design, reflecting our brand identity. It should be easy to navigate and mobile responsive. The ideal candidate will have a good eye for design, experience in WordPress development, and a strong portfolio with si...

...non-fiction, personal development book aimed at 911 operators. Your responsibilities: - Understand the target audience and the main theme of the book to create a cover that captivates readers - Create a design that emphasizes personal growth, resilience and the unique challenges of being a 911 operator Skills and Experience: - Previous experience in book cover design, especially in the non-fiction and personal development genre, will be appreciated - Knowledge of design software and tools - The ability to come up with creative and original ideas - An understanding of the 911 operators work environment, their challenges and potential growth areas would be beneficial in creating a relatable cover design I look forward to receiving compelling design concepts from expe...

I'm in need of an Android Developer proficient in Kotlin and XML for my POC project. It involves incorporating a specific HLS video stream into an XML, with the video displayed on a full-screen basis. Here's what the project entails: • Proficiency in Kotlin and XML: You'll need these skills since the project revolves around Android app development with video display functionality. • HLS Video Stream Integration: You will integrate this specific HLS video stream url: :ktvaq.stream.smil/chunklist_b350000_t64MjQwcA==.m3u8 • Full-Screen Video Display: I want the video stream to be displayed full screen on the app. The display needs to be seamless, without any glitching or stuttering. • No Specific Design Requirement: I do not require...

As someone seeking to establish a prominent online presence, I am eager to create a lead-generating website, utilizing technical SEO strategies and PPC for enhanced visibility. Ideal Skills and Experience: - Proficient in website development and design - Strong understanding of technical SEO - Experienced in PPC management - Familiar with strategies for lead generation Specific Requirements: - Website should be designed with lead generation as the primary goal. - Incorporate effective contact forms for the purpose of lead generation. - Strong focus on technical SEO rather than on-page or off-page optimization. - Successful establishment and management of a PPC system is required.

I'm in need of a skilled and experienced individual who can develop an anti-counterfeiting platform using NTAG 424 DNA NFC tags. The platform needs to ensure that genuine products can be authenticated securely and also prevent counterfeiting. Ideal Candidate: - Strong understanding and experience with NTAG 424 DNA NFC tags - Proficient in developing secure, dy...developing secure, dynamic NFC authentication systems - Experience in developing anti-counterfeiting platforms for the pharmaceutical, fashion and luxury goods, and electronics industries - Proficient in creating user-friendly mobile applications -NXP Key Requirements: -understanding of The security features like the SUN (Secure Unique NFC) message feature and CMAC (cipher-based MAC). -Native app development . -datab...

I'm looking for an experienced mobile app developer to create a comprehensive property listing application for both iOS and Android platforms. Key Features: - Property listing with detailed information and images - Intuitive search functionality - Contact forms for easy communication between users Additional Functionalities: - Image gallery for each property - User authentication for security and personalized experience - Push notifications to keep users informed - User Profiles - Advanced Search Filters - Geolocation Services - Integrated Messaging System - Review and Rating System - Offline Access - Integration with Social Media - Secure Payment Gateway - Analytics Dashboard - Multilingual Support Design: I prefer a modern and minimalist design for the mobile application....

For this project, I'm needing a well-rounded expert proficient in both Xano and Adalo platforms. Here are the specific functionalities to be focused on: Xano: - Database setup: We aim to have a foolproof data structure. - API endpoint creation: For smooth communication and data transfer. - User authentication: To protect user privacy and retain trustworthiness. - UI/UX: Must be user-fri...navigation setup: To ensure a smooth user journey. - Data integration: Must ensure seamless data sharing and retrieval. Ideal freelancers are those who have proficient experience both in Xano and Adalo with prominent skills in database setup, API endpoint creation, user authentication, UI/UX, app navigation, and data integration. Your skill set should cover both the backend and frontend of app d...

I'm looking for a skilled web developer to create an e-commerce website. The primary purpose of this website will be to facilitate online sales. Key aspects of the p...- Implementation of a robust, user-friendly shopping cart system - Tailored payment gateway integration for secure and seamless transactions As I've not specified the types of products to be sold, I'm open to discussing and building a suitable platform for either physical, digital, or a mix of both types of products. Ideal skills and experience include: - Proficiency in e-commerce website development - Strong understanding of shopping cart systems - Proven experience with payment gateway integration - A good eye for user experience and interface design Looking forward to hearing from talented pro...

I'm seeking an expert data analyst specializing in financial data analysis for real estate development projects. The focus will be on the financial aspects of our upcoming construction project, specifically concerning future projections for the next 10 years. Candidates should be competent in: - Creating custom excel/ google sheet template - Forecasting Capital Expenditure - Predicting Cash Flow - Delivering revenue Projections Your role will involve analyzing, interpreting, and providing insights on these aspects. Proficiency in financial modeling and forecasting is a must. Knowledge about the construction sector will be highly regarded, and prior experience in real estate development is a bonus. To make informed decisions, we're relying on accurate and in-dep...

Hi Muhammad Samar H., I noticed your profile and would like to offer you my project. We can discuss any details over chat.

I need a skilled individual to help me create a site plan and floor plans for a rural property development. These documents are crucial as they will be submitted to a board for approval. Key Responsibilities: - Develop a detailed site plan and floor plans - Ensure that the plans are of high quality and meet the relevant standards for submission Ideal Skills: - Proficiency in drafting and designing site plans and floor plans - Good understanding of commercial property development - Ability to create visually appealing and accurate plans Please note that I do not require specific measurements and dimensions for this project. Approximate measurements are sufficient. I will supply sketch copies with distances and just need them to look professional. This will happen when ...

Seeking an Android developer with expertise in Kotlin and XML for a video display app project. Must integrate a specific HLS video stream (":ktvaq.stream.smil/chunklist_b350000_t64MjQwcA==.m3u8") into an XML fragment. Key functionalities needed: Play/Pause, volume control, and adjustable video speed. Autoplay after a delay. Full screen and landscape mode support. Requirements: Profound experience in Android development, especially in handling video playback and media controls.

Digital Marketing and Website Development

...to develop a tool that makes exploring new cities and regions engaging, interactive, and informative. Key Features: - The AR navigation guide should be accessible as both a mobile application and website - The main platform for the application should be Android - The app should incorporate real-time location tracking and landmarks identification features to enhance user experience. Ideal Skills and Experience: - Proficiency in AR development - Experience in mobile application and website development - Strong knowledge of Android development - Previous work with real-time location tracking and landmarks identification would be advantageous - Creativity and an understanding of user experience design would be highly valued. Please provide examples of y...

We are part of a worldwide network providing drug testing services. We have a presence in multiple countries. Our client wants us to conduct drug testing around Gifu, TAKAYAMA, Japan, 506-0012. We will reimburse you for your travel. We will train you on how to do it and provide the necessary supplies and tools. You will have to either go to the client's residence or office to collect the provided urine sample or rent a meeting room to host the session. Meeting room rental costs will be borne by us. Thereafter I will guide you on how to perform the testing hygienically and you will send us the result. We will compensate you for every test done.

I am seeking a data aggregator to formulate inclusive and accurate contact lists for my upcoming marketing campaigns. The information required in each list is a blend of phone numbers, email addresses, and the names of company owners. I'll be providing SIC codes as an accurate reference channel for the industries we'll be focusing on. Any freelancer applying for this project should exhibit a well-versed understanding of data aggregation, web scraping, and should be detail-oriented. A knowledge or background in marketing would also be beneficial. Please note information accuracy is paramount, as these lists will directly impact the effectiveness of our campaigns. Your tasks will include: - Gathering the aforementioned contact details - Aligning data with SIC codes provided - E...

I am seeking an experienced developer who is well-versed in React JS and Node JS for the development of an e-commerce platform. This platform will be designed to support a range of e-commerce functions, with the main focus being on product search and filter options. Key responsibilities & requirements: - Proficiency in React JS for front-end development - Experience with Node JS for back-end development - Strong understanding of e-commerce structures and functionalities - Ability to integrate user-friendly product search and filter options The ideal candidate should be someone who has not only the technical expertise, but also the vision and creativity to enhance the user experience through these key functionalities. A portfolio showcasing previous e-commerce ...

I'm seeking an experienced developer who can create a custom live-streaming platform for our events. I want integration with Streamyard and a scale of more than 500 user profiles. Key Features: • Live chat functionality: This includes user reactions, replies, and moderator assist features. The system needs to handle up to 10,000 participants. • User profiles: Creation of user profiles is essential. Robust privacy and security for users should be ensured. • StreamYard Integration: User comments should display on StreamYard. Event hosts comments should post to the platform. • Video replay with live chat: Users should be able to replay video streams while maintaining active chat features. Ideal freelancer will have: • Experience with live streaming platforms ...

I'm looking to create a tourist app for both iOS and Android that is mainly educational and tourist-oriented, incorporating historical and informative content, as well as a monetisation strategy through advertising. Key requirements: - Cross-platform development: The app needs to be built for both iOS and Android. - Tourist and educational focus: The primary goal is to create an engaging platform that educates users on historical and informative content related to tourist attractions. - Monetisation: A strategy to incorporate advertising within the app is essential. Ideal Skills and Experience: - Proficient in cross-platform mobile app development for both iOS and Android. - Prior experience in developing educational or tourist-related application...

I'm looking for an experienced app developer to create a new property finder application. The application needs to be developed for both iOS and Android platforms and should be bilingual, supporting both English and Arabic languages. Important features include: - Property search: The app must provide ease in searching properties with effective filters. - Map integration: The app should incorporate map integration feature to display property locations. - User profiles: It needs to support user profiles for better user experience. Please note, offline usage of the app is not required at this stage. Candidates having experience in developing similar apps and fluency in English and Arabic will be given preference. Please submit your proposals along with your relevant work samples...

We have various miscellaneous small jobs that need done. SOP (Statement of project) is defined in attachment. Please see attachment in whole & then respond. Thank you.

I'm looking for a skilled developer to create a social networking application that can work seamlessly on iOS, Android, and web platforms. Key Features: - User Profiles: The app should have a robust user profile system. - Messaging System: A real-time messaging feature that is reliable and user-friendly. Experience Required: - Proven track record in developing cross-platform mobile applications (iOS and Android) with a web counterpart. - Strong expertise in implementing social networking features such as user profiles and messaging systems. - Familiarity with UX/UI design principles for a seamless user experience across different platforms. Please note that the project scope may expand based on further discussions and I'm open to suggestions for additional fea...

Developers Wanted: Thorough Examination of Example Website's Internal Structure and Registration System Essential! We're seeking skilled developers to undertake a detailed review of an example website's internal structure and registration system. It's crucial to adhere closely to these guidelines, as we're aiming for a system that operates flawlessly. An example website has been provided as a reference point and must be followed closely. Please note that the attached item contains extremely important instructions and specifications that must be followed meticulously. We're looking for a system that functions seamlessly, and this example website serves as our blueprint. Thank you for your attention to detail. We look forward to receiving your proposals.

Design and Implementation of an Application and Website Responsive User Interface (UI) Design: Ensure that the design functions smoothly and responsively on various devices ...Media: Ability to share content across different social media platforms. Login using social media accounts. Data Security and Protection: Implementation of the highest standards of security and data protection to ensure the confidentiality and safety of student and instructor information. Regular updates to address security vulnerabilities and counteract new threats. Customization and Future Development: The ability to expand the platform in the future to accommodate more features and improvements based on user needs and technological advancements. Similar Platforms: Baims Shrooh Educational Duroob Mentor Ma...

I am in need of a professional who can create a solution for our production environment. This solution will allow us to effectively gather data from multiple CNC machines. The ideal candidate will have expertise in CNC machine communication, data collection, and software development. Key Responsibilities: - Designing a solution for data communication from CNC machines to a central system - Integration of multiple CNC machines to the solution - Implementing data fetching for production output, machine status, and machine parameters Ideal Skills and Experience: - Strong knowledge of CNC machine operation and communication protocols - Focas, mtconnect

Hello I am looking for a web developer who can teach web development html, css, javascript.

I'm looking to have a set of various mini games developed for Android. These games should range across the categories of Puzzle, Match-3, and Arcade games. Specific Design & Theme Preferences: - The games should have a fantasy and retro aesthetic. This is important to me as it aligns with the targeted audience - Kids and Teenagers. Key Elements of the Project: - Development of multiple mini games - Integration of the selected design themes - Ensuring the games are engaging and suitable for the specified audience Ideal Skills and Experience: - Proficient in Android game development - Prior experience in developing Puzzle, Match-3 and Arcade games - Strong design capabilities with a focus on fantasy and retro themes - Understanding of game mechani...