Because the U version was released later (November 2020), early scene releases focused on the JPN base + a fan translation. However, the is now the gold standard, as it contains:

If you are in the homebrew or emulation space (Ryujinx / Yuzu / Atmosphere), you have likely seen Yo-kai_Watch_1_Switch_NSP_JPN_U_TOP.nsp floating around.

Here’s a strong feature listing for — tailored for a game listing, review, or catalog entry.

Touchscreen features from the 3DS version (like the Yo-kai Lens and purification) are adapted to the left stick for docked mode.

Once complete, the game will appear on your home screen. Important Safety and Legal Warning

: Battles are semi-automated, but your role is crucial. You must rotate the "Yo-kai Wheel" to swap active fighters, perform "Soultimate" moves through mini-games, and "Purify" your team when they get inspirited by enemies.