Starting Android app development with a well-defined product goal and awareness of device variety sets the foundation. Outlining the MVP, choosing an architecture, and mapping essential user journeys early keeps the initial release focused and minimizes rework as the app scales.

Once the groundwork is established, focus moves to UI coherence, performance, and compatibility across different OS versions and screen dimensions. Robust state management, thoughtful networking, and dependable analytics/crash reporting simplify maintenance and iteration following the Google Play launch.