Bonus Buddy simler earning aap

I want to build a high-quality earning app similar to Bonus Buddy but with more features like games, ads, and advanced reward system.

Required Features:

Earning:
- Offerwall Integration (CPX, AdGate, OfferToro)
- Watch Ads & Earn (AdMob Rewarded Ads)
- Daily Login Bonus
- Referral System (multi-level optional)

Games:
- Spin Wheel (daily)
- Scratch Card
- Quiz Game
- Simple Mini Games (HTML5)

Wallet:
- Coins system (convert to INR)
- Withdraw (UPI, Paytm)
- Transaction history

Admin Panel:
- Manage users
- Control rewards & coins
- Withdraw approval
- Offerwall API setup
- Ads settings control
- Referral settings
- Game reward control

Extra:
- Push Notifications
- Anti-fraud protection
- Fast & secure system
- Clean modern UI

Tech Stack Preferred:
- Flutter App
- Backend: Node.js / PHP
- Firebase/MySQL database

Only experienced developers with similar earning app experience apply.