Starting Android app development with a well-defined product goal and awareness of device variety sets the foundation. Defining the MVP, choosing an architecture, and mapping key user flows early keeps the initial release focused and minimizes rework as the app evolves.

Once the groundwork is established, focus moves to UI consistency, performance, and compatibility across OS versions and screen sizes. Robust state management, thoughtful networking, and dependable analytics/crash reporting simplify maintenance and iteration after launch on Google Play.