The KDE Plasma Linux desktop environment is already a feature-rich desktop for both productivity and gaming, but the KDE development team has been hard at work adding ever more features to the DE and polishing the experience. One of the newest additions to KDE, apparently coming in Plasma 6.7 and no...
Oh, that’s a great idea. It never occurred to me.
Here’s a repo to get you started, though you’ll need to either do some workaround in SteamOS to get it to stick since it is immutable (Steam Deck/Machine community has a couple ways of doing it), or use a regular game optimized distro like CachyOS: https://github.com/WayDroid-ATV/waydroid-androidtv-builds
Make Android TV shortcuts for apps that don’t normally work on Android, but have gamepad support: https://atvlauncher.trekgonewild.de/
You could also just do regular Waydroid, but some apps won’t give you the TV optimized version with gamepad/remote support, then you need to use something like this or Mantis: https://github.com/keymapperorg/KeyMapper