Building Android apps starts with a well-defined product objective and awareness of device variety. Pinning down the MVP, choosing an architecture, and outlining key user journeys early keeps the initial release targeted and minimizes rework as the app expands.

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