New Super Mario Bros U Deluxe Nsp - High Quality [work]

This isn't just a simple port. The Switch version introduces several "Deluxe" features designed to improve accessibility and provide new ways to play:

If you are using an NSP (Nintendo Submission Package) file on a homebrewed Switch, you can install it using one of the following popular tools: Go to product viewer dialog for this item. Nintendo New Super Mario Bros U Deluxe new super mario bros u deluxe nsp high quality

The base game and update files occupy roughly 2.5 GB to 3 GB of data. This isn't just a simple port

The Ultimate Guide to New Super Mario Bros. U Deluxe: Emulation, File Formats, and Technical Performance and Technical Performance