Android App Closed Testing Needed

I'm looking to engage 20 skilled Android app testers to assist in a closed testing phase for my forthcoming Anxiety relief app.

Key App Features:
- The app primarily offers breathing exercises and guided meditations.

Testing Requirements:
- Thorough testing of the app's functionality and usability in delivering the aforementioned features.
- Identification and documentation of any bugs or issues encountered during usage.
- Suggestions for improvement on the overall user experience.

Expertise Required:
- Prior experience in Android app testing, particularly for health or mindfulness-related applications, is highly desired.
- Solid understanding of the importance of user experience and the ability to provide constructive feedback.
- Excellent communication skills to effectively report on testing results.

I'm looking for committed and reliable individuals who can provide a detailed and constructive report on their experience.