8 Android Phones App Testing

I’m preparing a new Android release for Google Play and I need a quick burst of real-world retention data. If you have access to eight different Android smartphones, I’d like you to install my app on each one, leave it in place, and keep the devices online for 15 consecutive days... (Budget: $10 - $30 USD, Jobs: Android, Android SDK, Android Studio, Mobile App Development, Mobile App Testing, Mobile Development, Software Testing, Testing / QA)