Fortnite APK is basically a file format used to install the Fortnite game on Android devices manually. Normally, people download apps from the Google Play Store, but Fortnite is not always available there for all devices. That is why many users search for the Fortnite APK file online. APK stands for Android Package Kit. It is like a setup file that installs an app on your phone. When you download Fortnite APK, you are downloading the installation file of the game. After installing it, you can start playing Fortnite just like any other app.