Four years after Epic sued Google for running an illegal app store monopoly — a case it won this past December — Epic is suing again. The Fortnite game developer has filed a second antitrust lawsuit against Google, and now additionally Samsung, accusing them of illegally conspiring to undermine third-party app stores.

The lawsuit revolves around Samsung’s “Auto Blocker” feature, which now comes turned-on-by-default on new Samsung phones. While it’s turned on, it automatically…