Building an Android app starts with a well-defined product objective and awareness of device variety. Outlining the MVP, choosing an architectural approach, and mapping key user journeys early keeps the initial release focused and minimizes rework as the app expands.

Once the foundation is set, focus moves to UI consistency, 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.