Android App for Sending Flash USDT

I'm looking for a seasoned Android app developer to create a simple yet effective application for sending flash USDT.

Key Features:
- The main function of the app is to send USDT transactions.

User Authentication:
- The app should use a simple username and password system for user authentication.

Skills & Experience:
- Proven experience in Android app development.
- Prior work with cryptocurrency applications is a plus.
- Strong understanding of secure username/password authentication systems.
- Ability to create a user-friendly interface.

Please provide examples of similar projects you've completed in your proposal.