For die-hard Yo-kai Watch fans who can read Japanese or are willing to apply fan translation mods, the Switch remaster is the definitive way to experience the original. But for everyone else: stick to the 3DS English version or wait for a potential (unlikely) localization.
The most immediate change is the jump from 240p to . yokai watch 1 for nintendo switch nsp jpn u better
Downloading NSPs of games you do not own is considered piracy. Yokai Watch 1 for Nintendo Switch NSP JPN
The U Region version is objectively better. It offers full language localisation, Japanese voice option, and all bug fixes. Search for “Yo-kai Watch 1 Nintendo Switch NSP U better” if you want a complete, accessible experience. Legality: Downloading NSPs of games you do not
Without delving into piracy, the popularity of the "NSP" format within the community speaks to the game's technical demands. The Switch port runs at a higher resolution than the 3DS original, offering a smoother experience. For Japanese learners and importers, the Switch region-free nature (and the ease of accessing Japanese eShop accounts) made this the most accessible way to play the game in its original language. The load times are snappy, and the transition to a single screen (from the dual-screen 3DS) was handled seamlessly by mapping the radar functions to button presses or a UI overlay.