Starting Android app development with a well-defined product objective and awareness of device variety sets the foundation. Outlining the MVP, choosing an architecture, and mapping essential user flows early keeps the initial release focused and minimizes rework as the app evolves.

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