It’s written in Rust and can run on any 64-bit potato that has Windows or Mac OS on it ... it lets you play your 32-bit games that are no longer supported on modern versions of iOS.
Microsoft has adjusted the Game Bar interface so it's much easier to see and use on a tiny screen with a controller attached.
If the game you want to play is only available for Windows, here are three things you can try to get it running on your Mac.