This looks cool if I can connect my Xbox BT controller to my ATV4K:
https://www.macrumors.com/2018/05/09/steam-link-app-ios-apple-tv/
https://www.macrumors.com/2018/05/09/steam-link-app-ios-apple-tv/
That's what the article is about. The Apple TV runs iOS.What ever happened to this on iOS? I remember it got blocked by Apple - but then they updated the terms of service so should be able to be released. It's a shame as would be a nice way to stream in 4K to the TV.