APK (Android Package)

An APK (Android Package) is the file format used to distribute and install applications on Android devices. Think of it as a digital container that holds all the necessary components—such as code, resources, and assets—that make up an app. When you download an app from sources like the Google Play Store, you're essentially retrieving an APK file, which Android then unpacks and installs on your device. This format ensures the app's integrity and enables smooth installation and updates, functioning similarly to how packaged files work in other software ecosystems.