It sounds like you're looking for a Final Fantasy IX Nintendo Switch release in NSP format, specifically the Japanese or USA version, possibly including updates (UPD).
While the digital NSP is universal, physical releases vary by region: final fantasy ix switch nsp jpn usa update upd
When searching for a Final Fantasy IX Switch NSP JPN or USA, you are looking at two distinct software IDs on the Nintendo Switch. It sounds like you're looking for a Final
No Major Changes: The update focuses on stability and performance, preserving the original gameplay experience that fans adore. specifically the Japanese or USA version
The most critical updates for the Switch version addressed major technical bugs present at launch: