Radio App Testing and Publishing

I need a utility radio app tested and published on Google Play. The app should be tested for functionality, usability, and security on a broad range of devices and OS versions.

Key Requirements:
- Comprehensive testing on various devices and OS versions
- Identify and report bugs and issues
- Ensure app meets security standards
- Evaluate user experience and interface
- Publish the app on Google Play after testing

Ideal Skills and Experience:
- Experience with app testing, especially on utility apps
- Familiarity with Google Play publishing process
- Strong attention to detail
- Background in security testing is a plus