Building Android applications starts with a well-defined product objective and an awareness of device variation. Establishing the MVP, choosing an architecture, and outlining key user journeys early helps keep the initial release focused and minimizes rework as the app evolves.

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