Starting Android app development with a well-defined product objective and awareness of device fragmentation. Establishing the MVP, choosing an architecture, and outlining primary user journeys early keeps the initial release targeted and minimizes rework as the app expands.

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