Mobile Application apk file

I am looking for an experienced mobile application developer to build a secure lottery/raffle-style application. Project Overview The application will allow users to purchase raffle tickets for a chance to win high-value products at a much lower cost. The system should be simple, user-friendly, and highly secure against fraud, manipulation, or unauthorized access. Required Features Modern, unique, and attractive UI/UX design Google Sign-In authentication Mandatory user information collection: Full Name CNIC Number Mobile Number Secure user account management Raffle/Lottery ticket purchasing system Random and transparent winner selection mechanism Payment gateway integration: Easypaisa JazzCash Binance Pay (if supported) Admin dashboard for: Managing products Managing raffles Monitoring payments Viewing users and ticket sales Announcing winners Push notifications for important updates Mobile-responsive design (if web app) or Android/iOS support (if mobile app) Security Requirements Strong security measures to prevent hacking, fraud, duplicate entries, and unauthorized access Secure payment processing Data encryption for sensitive user information Protection against bots and fake accounts Deliverables Complete source code UI/UX design files Admin panel Database setup Deployment assistance Documentation Please include: Your relevant experience Similar projects you have completed Estimated timeline Project cost I am looking for a reliable developer who can deliver a professional, secure, and scalable solution.