Android E-Commerce App Testing

I’m rolling out a new e-commerce application on Google Play and I want a clear picture of how the core sign-in flow behaves in the real world. I need twelve Android users, each with a different device... (Budget: ₹600 - ₹1500 INR, Jobs: Android, Android App Development, Android SDK, Java, Mobile App Development, Mobile App Testing, Mobile Development, Testing / QA)