Building Android apps starts with a specific product objective and awareness of device variety. Pinpointing the MVP, choosing an architecture, and mapping essential user journeys early helps maintain a focused initial release and minimizes rework as the app expands.

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