There is actually a LOT more little things, that make the game very different. Besides who in the right mind would buy a 70 buck sequel with Just better grafics?

If you can connect your Xbox controller to your Deck, you can still play it in Coop, just ignore the gaphics and you’re good to go

Im doing thus all the time with my Manjaro Laptop all the time

There are a couple good ones out there, but you wont find them in the Play Store, one example might be Morrowind, witch runs in Android nowerdays, with decenz Internet Steam Link ist also something to consider