I’ve been looking for ages for a mount for an Xbox controller big enough to hold an 11” iPad Pro, since I’m old and a phone screen isn’t big enough for me to play games on these days. There doesn’t seem to be anything that supports a screen that big, so inspired by a Reddit post from a couple of years ago, I bought two separate mounts and combined them.
The key is to find a controller mount and iPad holder that both each have a ball socket connection so you can combine the two.
It’s clearly heavier than a phone would be, but works really well.