The court rejected Google’s argument that the trial judge made legal errors in the antitrust case that unfairly favored Epic Games.

The original dispute traces back to the rapid rise of mobile gaming and, specifically, the popularity of Epic's Fortnite. Developers long faced steep commissions – typically

Alphabet Inc.’s Google lost its appeal of a judge’s order requiring an overhaul of the technology giant’s app store policies in an antitrust case filed by Fortnite-maker Epic Games Inc.The ruling by the 9th US Circuit Court of Appeals on Thursday means the Google Play store will need to lift restrictions that prevent app developers from setting up rival marketplaces and billing systems.