Starting with a clear product goal and an awareness of device variety sets the foundation. Defining the MVP, choosing an architecture, and outlining key user flows early helps keep the initial release focused and minimizes rework as the app evolves.

Once the base is established, focus shifts to a consistent UI, performance, and compatibility across OS versions and screen sizes. Robust state management, careful networking, and dependable analytics/crash reporting simplify maintenance and iteration after launching on Google Play.