You could attempt to buff the scratches out with a plastic polish, not sure how effective or potentially destructive that would be though. You'd want to do some research first.
Dolphin supports that out of the box, no patching required. Just open the controls menu and bind your inputs. Dolphin even supports emulating gestures like shaking the wiimote.
The following link is for the PC, but android supports this as well...
People buying this will emulate Nintendo games and buy games on Steam. Valve sealed their victory over a year ago regardless of the consumer's choice of platform.
Looks like the graphics has been toned down to work on Quest hardware. Pretty unfortunately to see a promising game go down that path due to it resulting in VR games that look flat and lifeless.
Sad to see E3 going down this route. I feel myself less and less excited for it every year but it will still be missed. Hopefully 2023's showing will be worth the wait.