Just Dance 2021
yes, but you need another joycons
Switch, but you can play it on lite you’d just need to buy separate joycons and be okay with using the small screen
You can use the Just Dance Controller app of the Joy-Cons to track your movements.
Yes your switch joycons or you can download the just dance controller on your phone and play but if you use your phone you gotta be connected to the same network as your switch