For users who have legally dumped their own Japanese cartridge to NSP (via tools like NXDumpTool), here are known issues:
Map your controller buttons to simulate the Switch joystick and touch screen mechanics. Yo-kai Watch 1 for Nintendo Switch NSP -JPN- -U...
The Switch port is not a simple emulation. Level-5 rebuilt major elements to suit home consoles. For users who have legally dumped their own
The jump from 3DS to Switch is immediately noticeable through upscaled and redrawn textures, higher polygon counts, and smoother anti-aliasing. HD Graphics higher polygon counts
Yo-kai Watch 1 for Nintendo Switch (Level 5 The Best) - Playasia