The modern port of Final Fantasy IX is essentially the same across the and USA regions in terms of core software features, but there are notable differences in language availability and physical accessibility:
Final Fantasy IX on the Nintendo Switch Go to product viewer dialog for this item. final fantasy ix switch nsp jpn usa update full
To ensure you have the "full" version, your game should be updated to the latest build, which addresses critical legacy bugs from the initial port: The modern port of Final Fantasy IX is