Unlike PS4/PC, the Switch version includes both FFX and FFX-2 inside a single NSP. However, FFX-2 is not separate; it is unlocked via a 5MB DLC unlocker NSP. The Asi release correctly preserves this structure:
The US and European versions of the game ship with a frustrating compromise: on the physical cartridge, only the English dub is available. To get the original Japanese voice track (a must-have for purists), you are forced to download a massive "language pack" from the eShop. If you are archiving an NSP for offline use, this is a dealbreaker. final fantasy x x2 hd remaster switch nsp asi top