Android Productivity App Development -- 2

I need a focused, well-built productivity app for Android. The concept is already sketched out—think task and time-management features wrapped in a clean, intuitive interface—but I’m happy to refine the scope together so the final product feels polished and purposeful on every screen size... (Budget: $10 - $30 USD, Jobs: Android, Android App Development, Android Studio, Game Development, Internet Marketing, Java, Kotlin, Reading Tutoring, Time Management, Windows Mobile)