Apple's iOS and iPadOS 13 support multiple PS4 or Xbox One controllers, which could be huge for Arcade

The easy way to connect your PS4 or Xbox controller to your iPhone - CNET

Apple will Support Xbox One and PS4 Controllers - MyGiftCardSupply

How to Setup Local Multiplayer and Two-Player Mode on Apple Arcade - AppleToolBox

Is Apple Arcade Worth Getting?

iOS 13 - How to Connect PS4 or Xbox One Controller to Play iOS Games

Game Controller Tester Gamepad on the App Store

How to pair PS4 or Xbox controllers with iPhone, iPad, Apple TV, or Android - The Verge

Apple now selling Microsoft Xbox gaming controller - 9to5Mac

Apple Devices to Add Full PS4 Controller Support

Apple Will Be Offering Support For Xbox And PlayStation Game Controllers Later This Year