Fortnite maker Epic Games has prevailed in its high-profile antitrust trial over Alphabet’s Google, which alleged the Play app store operated as an illegal monopoly, in a ruling that if it holds could upend the entire app store economy.Fortnite maker Epic Games has prevailed in its high-profile antitrust trial over Alphabet’s Google, which alleged the Play app store operated as an illegal monopoly, in a ruling that if it holds could upend the entire app store economy.