Starting with a well-defined goal for the product and an awareness of device variety sets the stage for success. Outlining the MVP, choosing an architectural approach, and mapping essential user journeys early helps keep the initial release focused and minimizes rework as the app evolves.

Once the foundation is set, the focus shifts to UI consistency, performance, and compatibility across different OS versions and screen sizes. Robust state management, careful networking, and dependable analytics/crash reporting simplify maintenance and iteration after the Google Play launch.