While it isn't TTT2, Tekken 6 on PSP remains one of the best fighting games on the system. Here is why you should still download it:
Many downloads come with a "100% Save Data" file that unlocks all costumes and items from the start. Safety and Legal Disclaimer download tekken tag tournament 2 psp iso
Do not waste your time. Instead, buy a used PS Vita for $100, purchase Tekken Tag Tournament 2 from the PlayStation Store (it is still available on Vita’s PSN in some regions), or play the original Tekken Tag Tournament on PS2 via AetherSX2 on your phone. While it isn't TTT2, Tekken 6 on PSP