Performance-wise, the Switch version runs at with a target of 30 FPS. It’s not 60 FPS like PS4/PC, but it’s stable in 1v1 fights — only dropping during 3v3 or heavy ki-blast spam.
One of the biggest advantages of running an NSP setup on a modded Nintendo Switch is the ability to use game mods. 1. Roster Unlockers
An "ultimate" NSP file would be a pre-patched version of the game containing all these updates, ensuring you have the most stable and feature-rich build from the moment you start playing.