It sounds like you’re looking for the of Street Fighter X Tekken — but just to clarify, Street Fighter X Tekken was never officially released for the PSP .
: Files claiming to be "impossible" ports for older hardware are frequently used to distribute malware. Official Platforms Street Fighter X Tekken was officially released on the following systems: street fighter x tekken psp iso install
X:/ISO/
If you haven't installed CFW on your PSP yet, you'll need to do so. There are various guides available online for this process, but be aware it can void your warranty and there's always a risk involved with modifying your device.
