Epic Games Inc. and other developers battling Apple Inc. over its App Store controls are getting an ally in Nvidia Corp., as the graphics-chip company said it is expanding a service that would let users play games including “Fortnite” on their iPhones.
Nvidia on Thursday launched a test version of its GeForce Now platform on Apple’s iOS mobile operating system. It lets people play games through their Safari browsers, rather than through apps.
The…