Building an Android app starts with a well-defined objective and awareness of device variety. Clarifying the MVP, choosing an architecture, and outlining essential user paths early keeps the initial release tightly scoped and minimizes rework as the app expands.
Once the foundation exists, focus moves to a cohesive UI, performance, and compatibility across different OS versions and screen dimensions. Robust data handling, careful networking, and dependable analytics/crash reporting simplify maintenance and iteration after the Google Play launch.