Building an Android app starts with a well-defined goal and awareness of the variety of devices. Outlining the MVP, picking an architecture, and mapping key user flows early keeps the initial release targeted and minimizes rework as the app expands.

Once the foundation exists, focus moves to consistent UI, speed, and compatibility across OS versions and different screen sizes. Robust state management, careful networking, and dependable analytics/crash reporting simplify maintenance and iteration after the Google Play launch.