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

Once the foundation is set, focus moves to UI uniformity, performance, and compatibility across OS versions and screen dimensions. Robust state management, thoughtful networking, and dependable analytics/crash reporting simplify maintenance and iteration after the Google Play launch.