NSP files are part of the Nintendo Switch's digital distribution system. They are essentially containers that hold the game data and are used for downloading and installing games on the Switch through the eShop or, in some contexts, through homebrew tools for those who have modified their consoles.
It sounds like you’re looking for the story details of Devil May Cry 3: Special Edition on Nintendo Switch, not a download link (which would be piracy). I’m happy to provide the story summary instead. Devil May Cry 3 Special Edition Switch NSP Free...
Unlike previous HD remasters on other consoles, the Switch port was developed with high-effort additions that fundamentally change the combat loop: NSP files are part of the Nintendo Switch's
The Nintendo Switch release (2020) introduced several high-effort enhancements that significantly change the gameplay experience: in some contexts