While it’s turned on, it automatically keeps users from installing apps unless they come from “authorized sources” — namely, Google and Samsung’s app stores. Epic claims there’s no process for any rival store to become “authorized.

Google is heading back to court with Epic Games, but with a major ally. Epic Games announced today a new lawsuit against former partner Samsung, along with continued rival Google. The Fortnite developer highlighted that the Auto Blocker setting on Samsung phones creates challenges for consumers trying to install their client to play the game.