Building Android apps starts from a well-defined product objective and awareness of device variation. Outlining the MVP, choosing a software architecture, and mapping essential user flows early keeps the initial release targeted and minimizes rework as the app expands.

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