That string is typical of for the Switch (NSP = Nintendo Submission Package, the format used for digital games, often shared in warez circles). If you found it on a forum or torrent site, it likely means someone dumped the Deluxe Edition content (including DLCs like the three original missions, extra aircraft, and season pass content).
Officially supported for play on both Nintendo Switch and the upcoming Nintendo Switch 2 hardware. Deluxe Edition Included Content ace combat 7 skies unknown deluxe edition nsp new
Narratively, Ace Combat 7’s Deluxe Edition remains unapologetically operatic. Characters are written with the sorts of lines that lodge in memory — stoic, wounded, defiant — and the expanded content leans into that melodrama. It’s war as radio drama: terse voiceovers, haunting leitmotifs, and moral ambiguity that simmers beneath the thunder of contrails. The Deluxe Edition gives you more opportunities to live in that story, to feel like a specialist actor in a ravaged sky. That string is typical of for the Switch