Starting Android app development with a well-defined product goal and awareness of device variety is key. Outlining the MVP, choosing an architecture, and mapping essential user flows early helps keep the initial release focused and minimizes later rework as the app expands.

Once the foundation is established, focus moves to UI consistency, performance, and compatibility across OS versions and screen dimensions. Robust state management, prudent networking, and dependable analytics/crash reporting simplify maintenance and iteration after launching on Google Play.