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I need a self-contained Apple of Fortune game core identical to the one on 1xBet, but written so it can drop straight into a mobile app. Graphics, animations, and UI will be handled separately; what I’m after is the underlying engine that powers every round. Here’s what I expect the module to cover: • Full round-flow control – bet input, grid generation, progressive reveal of apples/bombs, win evaluation, and payout calculation exactly as in the original game. • Configurable house-edge variables so I can tune return-to-player without touching core code. • Clean APIs (startGame, makeMove, getState, cashOut) that a React Native, Flutter, or native front-end can call asynchronously. • Secure randomness with a provably-fair seed scheme; results must be reproducible for verification. • Thorough in-code comments plus a brief README walking through build steps and API usage. • Unit tests showing correct behaviour for edge cases and typical player sessions. I’m happy to let you pick the language as long as it compiles or transpiles neatly into Android and iOS builds and keeps performance tight on mid-range devices. Send over a quick outline of your proposed tech stack, your experience with game math or betting-style titles, and an estimated turnaround time.
Project ID: 40685659
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15 freelancers are bidding on average ₹21,399 INR for this job

Hi, First thing I'd hand you is the seed scheme and startGame/makeMove core with tests, so you can verify a round is reproducible before any UI exists. I'd write it in TypeScript so React Native or Flutter can both call it, with the house edge in a config file. Game math and betting logic sit close to my main blockchain and full-stack work, where provable fairness is routine. Lets get in contact first.
₹12,500 INR in 5 days
5.5
5.5

The key here isn’t the UI—it’s building a deterministic, secure game engine where every round, move, payout, and verification result behaves consistently and can be integrated cleanly into any mobile frontend. I’d structure the core as a TypeScript/JavaScript engine so the same tested logic can integrate naturally with React Native, Flutter via a lightweight bridge, or native mobile layers. My approach would cover: ✅ Complete round lifecycle: bet → grid generation → reveal → win/loss → cash-out → settlement ✅ Configurable RTP/house-edge parameters isolated from game logic ✅ Async APIs: startGame, makeMove, getState, cashOut ✅ Cryptographically secure provably-fair seed generation and deterministic result verification ✅ Strict state validation to prevent invalid moves, duplicate actions, or payout inconsistencies ✅ Unit tests covering edge cases, sequential sessions, cash-outs, and payout calculations ✅ Clean documentation, comments, build instructions, and API examples For the betting mathematics, I’d keep the probability/payout layer independently testable so RTP changes don’t require modifying the engine itself. I have 9+ years of development experience and 500+ projects delivered, with strong experience across JavaScript/TypeScript, APIs, mobile architecture, and transaction-driven logic. I’d be glad to discuss the engine architecture and how to make the core portable, deterministic, and easy to integrate.
₹25,000 INR in 6 days
4.5
4.5

As an experienced mobile app developer with a particular expertise in Flutter, I am well-equipped to build and integrate the Apple of Fortune game core you require for your mobile app. Over my 6 years in the Design and Branding Industry, I've built a diverse set of skills that align with your project needs, including Website and Mobile Development, Graphic Design, as well as Application Design. Regarding your project specifics, a Flutter-based solution will be ideal as it would allow for a single codebase for cross-platform compatibility, ensuring seamless integration into both iOS and Android. I'd lean towards creating clean APIs that a React Native, Flutter or native front-end could call asynchronously and adhere to the structure you've outlined.
₹12,500 INR in 3 days
3.8
3.8

With over X years of mobile app development experience under my belt, I am adept at understanding unique project requirements just like this one and delivering solutions that excel. My proficiency in Flutter, Android, and iOS platforms, coupled with a deep understanding of UI/UX design, enables me to create faultlessly performing apps with uncompromised aesthetics. I understand what you're seeking in an Apple-of-Fortune game engine – a solid backend that seamlessly distributes the user interface you have envisioned. My extensive knowledge of game logic and math, coupled with my precise attention to detail essential for a betting-style game makes me an ideal fit for this project. In terms of your desired tech stack, I propose utilizing Flutter, ensuring clean APIs that can be called asynchronously from a React Native or native front-end. Flutter being a performance-driven framework will help maintain the app's speed across all devices while ensuring reproducibility and secure randomness in the game results. My commitment to thorough testing further ensures that all edges cases are accounted for in delivering your desired product on time and within your budget. Let's turn this idea into reality together!
₹25,000 INR in 7 days
3.0
3.0

I will build the Apple of Fortune core as a self-contained, deterministic game engine with secure provably-fair randomness, configurable RTP/house edge, progressive grid reveals, win/loss evaluation, and accurate cash-out/payout handling. I will expose clean asynchronous APIs such as startGame, makeMove, getState, and cashOut so the same engine can integrate smoothly with React Native, Flutter, or native Android/iOS front ends. I will use TypeScript for maintainability, strong typing, and easy mobile integration. The game state, seed/hash verification, round lifecycle, and payout calculations will remain separated from UI and animations. 3.1 A key challenge is making every result reproducible while preventing players from predicting outcomes. I will use a provably-fair server/client seed approach with cryptographic hashing and verification data. 3.2 I will also isolate RTP/house-edge configuration from the core logic, preventing accidental changes to game mathematics during tuning. I will provide thoroughly commented source code, README build/API documentation, and unit tests covering normal sessions, invalid moves, bomb/apple reveals, cash-out, boundary cases, and seed verification.
₹30,000 INR in 10 days
2.7
2.7

The provably-fair seed handling is where most clones break, especially when you need reproducible results for verification. I'll write the engine in TypeScript, expose async APIs, and target React Native and Flutter bridges so the app can call startGame, makeMove, getState, cashOut. A common mistake is hard-coding the house edge, which forces a code change for every RTP tweak. You'll get a fast, test-covered core where you can adjust the edge via a config file and see accurate payouts instantly.
₹25,000 INR in 5 days
2.0
2.0

You need a clean, portable game engine that handles every round of Apple of Fortune end-to-end, with no UI coupling and a provably-fair randomness layer baked in. Plan: TypeScript compiled to a single isomorphic module. Runs natively in React Native via JSI, drops into Flutter via a JS bridge, and tree-shakes cleanly for both platforms. Core covers grid generation with configurable bomb counts, HMAC-SHA256 seed scheme for provable fairness, multiplier curves driven by an RTP config object, and the four async APIs you listed. Unit tests in Vitest with edge-case and full-session coverage. I have direct experience designing math models for mine-style and pick-em games, including house-edge tuning, payout table construction, and seed-verification flows that satisfy audit requirements. Turnaround: working engine plus README and full test suite in seven days. One question before I scope the multiplier curve precisely: are you targeting a fixed bomb count per round, or should players be able to select difficulty tiers that change bomb density?
₹23,156.25 INR in 7 days
0.0
0.0

Hi, I can develop a clean, self-contained game engine that can be integrated directly into a React Native, Flutter, or native mobile application. I’m comfortable with JavaScript/TypeScript, API design, mobile integration, deterministic game logic, secure randomness, and automated testing. I can structure the core around clear asynchronous APIs such as `startGame`, `makeMove`, `getState`, and `cashOut`, with complete round-state management, grid generation, progressive reveals, outcome evaluation, and reproducible results for verification. The engine will be separated from the UI so your mobile developers can integrate it without coupling the game logic to the presentation layer. I’ll also provide secure randomization, configurable game parameters, comprehensive unit tests for normal and edge-case sessions, clean source comments, and a concise README covering setup, API usage, and verification. For the implementation, I’d recommend TypeScript so the same core can be shared cleanly across mobile platforms while keeping the API strongly typed. Would you like the engine delivered as a standalone TypeScript package with a small test application demonstrating the complete API flow? Best regards, Antonio
₹25,000 INR in 7 days
0.0
0.0

Hello, I hope you’re doing well. I reviewed your project requirements and I’m confident that I can help you build a high-quality, modern, and user-friendly solution according to your needs. xBet Apple fortune logic I’m Ankur, a Full Stack Developer with 7+ years of experience in: • Custom Website Development • E-commerce Development • Mobile App Development • Flutter App Development • Android & iOS Applications • WordPress & PHP Development • UI/UX Design • Admin Panels & APIs I have successfully completed 500+ projects for startups, businesses, and individual clients worldwide. Why work with me? ✔ Clean and professional development ✔ Mobile-friendly and responsive design ✔ Fast communication and regular updates ✔ Scalable and secure solutions ✔ On-time delivery ✔ 3 months of free support after completion My goal is not just to complete the project, but to build a solution that helps your business grow. I would be happy to discuss your project in detail and start working immediately. Looking
₹22,000 INR in 5 days
0.0
0.0

I can build the Apple-of-Fortune logic for 1xBet, focusing on high-performance, scalable backend architecture and seamless integration with mobile platforms. I’ve developed complex game logic and secure payment flows for multiple apps, ensuring smooth user experiences and reliable automated operations.
₹12,700 INR in 4 days
0.0
0.0

Hi, New on Freelancer — 20 years of development experience behind us. We're taking our first few projects here at a fraction of our normal rate purely to build our review history. You get senior agency work at junior pricing; we get a review. Straight trade. integrating a game core like Apple of Fortune into a mobile app often requires careful attention to how the core logic interacts with mobile-specific APIs, especially if using React Native or Flutter. I'd start by ensuring the game logic is modular and can interface smoothly with these frameworks. Can you share more details about the current app environment where this will be integrated?
₹25,000 INR in 7 days
0.0
0.0

⚠️ IF YOU’RE NOT HAPPY, YOU DON’T PAY. ⚠️ I have extensive experience developing game engines and betting modules, helping clients achieve seamless integrations into mobile apps. I can deliver a robust Apple of Fortune game core that includes full round-flow control, configurable house-edge variables, and clean APIs for smooth interactions with React Native or Flutter. My focus will be on ensuring secure randomness and providing thorough documentation, including in-code comments and unit tests for reliability. I have worked on similar gaming projects, ensuring high performance on mid-range devices. If you’d like to see relevant examples from my portfolio, just let me know. Looking forward to discussing your project in more detail. Regards, Daniel
₹18,750 INR in 7 days
0.0
0.0

Hello, I can build a self-contained Apple of Fortune-style game engine with clean asynchronous APIs, secure provably-fair randomness, configurable RTP/house-edge settings, payout logic, and full round-state management. I’d recommend TypeScript for easy integration with React Native and portability to native mobile layers. I can also provide reproducible seed verification, unit tests, detailed comments, and a concise integration README. I have strong experience with backend logic, probability-driven systems, and performance-focused application development. Phone: +91 88264-50850
₹15,000 INR in 7 days
0.0
0.0

Jodhpur, India
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