For a step-by-step walkthrough on configuring the emulator and loading your game files: 2m
Only if you use a "PSX-to-PSP" EBOOT file (converted for the PSP's internal PS1 emulator). These files end in .PBP . Tekken 3 Iso File For Ppsspp
Because of this, you will not find an official "PSP ISO" for Tekken 3. If you are trying to run a standard Tekken 3 ROM on the PPSSPP emulator, it simply won't work. PPSSPP is designed strictly for PSP games. For a step-by-step walkthrough on configuring the emulator