Successful Android app development starts with a well-defined goal for the product and awareness of varying devices. Outlining the minimum viable product, choosing an architecture, and mapping key user flows early helps keep the initial release targeted and minimizes rework as the app evolves.
Once the foundation is established, focus moves to ensuring a consistent user interface, performance, and compatibility across different OS versions and screen sizes. Reliable state management, careful networking, and trustworthy analytics and crash reporting simplify support and iteration after releasing on Google Play.