To run Tekken 3 on a PSP using an EBOOT.PBP file, you need a console with Custom Firmware (CFW) and the game file converted into a PSP-compatible format. Installation Guide
Because Tekken 3 is a high-speed fighter, input lag or frame drops can ruin the experience. Use these settings for the best "UPD" experience: tekken 3 psx psp eboot upd
Part 4: The Ghost in the Machine
Playing Tekken 3 on the PSP using an eBoot UPD file offers several benefits: To run Tekken 3 on a PSP using an EBOOT