Building an Android application starts with a well-defined objective and awareness of device variety. Establishing the MVP, choosing an architecture, and outlining key user journeys upfront helps keep the initial release focused and minimizes rework as the app expands.

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