Someone has revived Flappy Bird for Android phones. And as nostalgic as it may be, you really shouldn't download it.

How to Run APK Files on an Android SDK. An Android APK file contains all the open-source Java files used to set up and run the Google Android app.

Java may still be the first programming language that springs to mind when you think about Android, but you don’t have to use Java for Android development. In fact, Kotlin is now Google’s ...