For the hacked PS Vita console itself (not PC emulation): Using tools like NoNpDRM to dump your legally purchased copy, the game runs flawlessly on original Vita hardware. Both FFX and FFX-2 (as a separate installation) work at stable 30fps.
: On Android, use the Turnip drivers for better performance on Snapdragon devices. Quick Troubleshooting final fantasy x x2 hd remaster ps vita rom d work