Begin Android app development with a well-defined product goal and awareness of device fragmentation. Outlining the MVP, choosing an architecture, and mapping essential user flows early helps keep the initial release focused and minimizes rework as the app grows.

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