I have the Mega Mix Switch version, basically this is the upgraded version of it.
+ Fast Load Time
+ Higher Resolution/Frame rate
+ More songs
+ Be able to change between Future tone and Mega Mix graphic (<---- this one really pog)

Be able to customize each key to 2 keyboard button is really nice (4 for sliders) and the combined key also can bind to 2 different key.

Although there is a problem where the game don't have sound when in background so cannot use as like a music player :c

I have the Mega Mix Switch version, basically this is the upgraded version of it. + Fast Load Time + Higher Resolution/Frame rate + More songs + Be able to change between Future tone and Mega Mix graphic (<---- this one really pog) Be able to customize each key to 2 keyboard button is really nice (4 for sliders) and the combined key also can bind to 2 different key. Although there is a problem where the game don't have sound when in background so cannot use as like a music player :c