You download a "TTT2 Mod" folder. This must be placed in the PSP/TEXTURES folder of your emulator.
Since Tekken games are graphics-intensive, you may need to adjust settings for a lag-free experience: tekken tag tournament 2 ppsspp isoroms install
A PPSSPP mod is not the true Tekken Tag Tournament 2 , but it is the closest you can get on mobile hardware. You download a "TTT2 Mod" folder
Once you've found a reliable source, download the Tekken Tag Tournament 2 ISORom file to your computer. The file size should be around 2.5 GB, depending on the version. depending on the version.