I built my wife a gaming PC. She’s controller only. It’s basically an xbox. Decided to try ubuntu to see if we could avoid paying for windows.
She’s already 100% Hogwarts Legacy and played a dozen other games.
The only hangup was controller support for Slime Rancher on her 8bitduo. Had to use an xbox controller.
She knows nothing about linux, but she’ll install and play games through Steam no problem.
You can run Windows 9 on an iPhone 9.