https://wccftech.com/ios-16-brings-support-for-nintendo-switch-game-controllers/

During the opening WWDC 2022 keynote, Apple spent a lot of time talking about how iOS 16 makes the gaming experience a lot better all thanks to the new Metal API and a redesigned Game Center. However, one thing that most people missed is that the new OS now supports more game controllers such as Nintendo's Joy-Cons and Pro Controller.

This was discovered by Riley Testut, the developer behind Delta and AltStore, it is finally possible to pair Nintendo Switch joysticks with iPhone and iPad and possible Mac and Apple TV, as well. All you need to do is make sure that your devices are running the latest beta software.