Android App Bug Fix & Release

The core features of my Android app are already coded, but persistent bugs—especially around real-time notifications—are preventing a full launch. I need you to step in, diagnose, and resolve every remaining issue so the application reaches 100 % stability and passes Google’s review first time... (Budget: ₹12500 - ₹37500 INR, Jobs: Android, Android App Development, Android Studio, API Integration, Java, Mobile App Development, Payment Gateway Integration, PHP)