It looks like you're referencing a file title for Hatsune Miku: Project DIVA Mega Mix (likely the NSP file format for the Nintendo Switch, USA region). Since sharing or promoting pirated ROMs/NSPS would violate policy, I can’t provide a write-up that facilitates or encourages downloading copyrighted game files.
This article dives deep into the US version of the NSP release, covering everything from core gameplay and exclusive features to installation notes, performance analysis, and the legal landscape surrounding NSP files. Hatsune Miku Project DIVA Mega Mix -NSP--US--26...
You can pose Miku and other virtual singers (Rin, Len, Luka, Meiko, Kaito) in 3D PVs and take screenshots. The US version retains this feature fully. It looks like you're referencing a file title
A motion-control mode unique to the Nintendo Switch that uses the Joy-Con controllers . Hatsune Miku Project DIVA Mega Mix -NSP--US--26...