Starting Android app development with a well-defined product goal and awareness of device variability is key. By outlining the MVP, choosing an architecture, and mapping essential user flows early, the initial release stays focused and minimizes rework as the app evolves.

Once the foundation is set, focus moves to UI consistency, performance, and cross-version and cross-device compatibility. Robust state management, thoughtful networking, and dependable analytics/crash reporting simplify ongoing support and iteration after launch on Google Play.