I bought KSP for Xbox, round about one Year ago. And I've started it, maybe three times, then I give up. It's far more horrible than CORC said, you CAN'T play games like this with an controller, absolute no way.

Maybe on switch because it has a decent touch screen…

But other than that building would be annoying

It would be hard to control

This is an awful idea, it already is very hard to build on mobile. Don't even want to imagine how that would go on a controller.