Apple recently approved a new emulator app called UTM SE that enables your iPhone or iPad (or Vision Pro!) to masquerade as PC hardware and run honest-to-goodness computer desktop operating systems. Some of you asked in the comments section of my last story how it runs — a fair question that I couldn’t answer at the time. But now that I’ve tried it a little, I have answers, and I can say this much: it’s better than I expected, but I wouldn’t count on it for too much.

That’s…