There might be some quirks that cause crashes, I cannot be sure as I literally just jumped in to see if the mouse mode works.

Hi, made an account just for this, lol.

I have tried it for literally few minutes just for curiosity. It is the same version with faster loading times and overall better performance, but that is true for Switch 2 back compat as a whole. I was hoping for the MouseCon to trick the game to think a usb ...