The most noticeable upgrade is the visual quality. Characters, environments, and cutscenes have been re-mastered in HD, offering a crisp and vibrant look that was not possible on the original hardware.
cartridge (for X-2, most regions were digital-only via a voucher code). Vita Hacks Guide Step 1: Dumping the Game Insert the Cartridge : Put the Final Fantasy X game card into your Vita. Generate License Final Fantasy X X-2 HD Remaster PS Vita ROM D...
Gaming preservationists argue that even obsolete hardware like the PS Vita deserves archival. However, downloading Final Fantasy X/X-2 HD Remaster ROMs from shady websites: The most noticeable upgrade is the visual quality