Each update replaces the entire NSP base or provides a patch NSP. On a hacked Switch, users can extract these update NSPs to see which ROMs were added or updated.
The title referenced is typically distributed as an .nsi (Nintendo Submission Install) or packaged within an .nsp container for delivery. Super Famicom Nintendo Switch Online -NSP--Upda...
Because the official NSO app only includes a curated selection of around 60-70 Super Famicom/SNES games (as of 2025), the modding community took matters into their own hands. Each update replaces the entire NSP base or
Nintendo adds new games periodically—usually 2–3 titles every few months. Every addition requires an update to the NSO application. That’s likely where the “Upda...” part of your search keyword originates. Because the official NSO app only includes a