Starting Android app development requires a definite product objective and awareness of wide device variation. Outlining the MVP, choosing an architecture, and mapping key user journeys early helps maintain focus on the initial release and minimizes rework as the app expands.

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