With IO around the corner, it's a good time to take a look at Google's cross-platform mobile development platform - on Android Studio and on Visual Studio Code.

Flutter lets you build compiled, cross-platform mobile, desktop, and web applications from a single codebase. Get started with Flutter and its easy-to-use programming language, Dart.

With Android running on about 80% of the world's smartphones, the Android app market is one particularly ripe with opportunity, and one you should consider entering.