Multi-Network Crypto Earning Platform with Mobile App

I'm looking for a comprehensive crypto platform that includes an Android/iOS app. The platform should allow users to earn interest in USDT across multiple networks: Tron, BEP20, Ethereum, Polygon, and Arbitrum. Additionally, there should be a bridge to existing exchanges for platform managers, focusing mainly on fund transfer management.

Key Features:
- **User Functionalities**:
- Earning interest in USDT
- Tracking portfolio value
- Secure wallet transactions

- **Platform Managers' Functionalities**:
- Fund transfer management (This is crucial for the bridge to existing exchanges)

Ideal Skills and Experience:
- Extensive knowledge and experience in developing crypto platforms
- Proficiency in mobile app development for both Android and iOS
- Familiarity with the specified networks and secure wallet transactions
- Experience in implementing fund transfer management systems
- Understanding of creating user-friendly interfaces for tracking portfolio value

*Example design in the attachment