Fortnite Installer could be abused to silently install apps on Galaxy phones The launch of Fortnite Mobile on Android hasn’t been too great, especially since many of the supported devices really struggle to play the game with acceptable frame rates . The game launched as a Samsung Galaxy exclusive for only 3 days . The Fortnite Installer was first available on Samsung Galaxy Apps before Epic Games allowed non-Samsung players to download and install the full game from the Fortnite Installer obtained on Epic’s website. Shortly after the Fortnite Installer became available, Epic Games quietly pushed an update to the Installer. Now we know why: They patched a Man-in-the-Disk exploit that made it possible for a malicious app to silently install any app they wanted on Samsung Galaxy smartphones . Because there has been some confusion about how this flaw works, we’ll try to clear things up. First, we need to explain the basics of app installation on Android. App Installation