Starting Android app development with a well-defined product objective and awareness of device variety. Outlining the MVP, choosing an architecture, and mapping essential user flows early helps keep the initial release targeted and minimizes rework as the app expands.

Once the foundation is set, focus moves to UI uniformity, performance, and compatibility across OS versions and screen dimensions. Robust state management, prudent networking, and dependable analytics/crash reporting simplify maintenance and iteration after launching on Google Play.