Since was originally released for PlayStation 3, Xbox 360, and Wii U, a native ISO file for the PSP (PPSSPP) does not actually exist. However, the fan community has created incredible mods of Tekken 6 that transform the game into a Tag Tournament experience. The "Tekken Tag 2" PPSSPP Experience
Character skins and models from Tekken Tag 2 and Tekken 7 . tekken tag tournament 2 ppsspp file download link
This often unlocks all characters and enables the "Tag" scripts. This goes into the PSP/SAVEDATA folder. Performance Tips for Mobile Since was originally released for PlayStation 3, Xbox
Set to Vulkan for better performance on newer Android phones. and Wii U
This contains the "Tag 2" visual overhaul. This must be placed in the PSP/TEXTURES directory of your emulator.