Starting with a well-defined product objective and awareness of device variety is key to Android app development. Framing the MVP, choosing an architecture, and outlining essential user journeys early on keeps the initial release focused and minimizes future rework as the app expands.

Once the foundation is established, focus moves to a cohesive UI, performance, and compatibility across different OS versions and display sizes. Robust state management, prudent networking, and dependable analytics/crash reporting simplify maintenance and iteration after deployment on Google Play.