PSX2PSP allows you to inject custom graphics:
There is something magical about hearing that iconic "Heihachi Mishima... is waiting for you" while sitting on a bus or waiting in line at a coffee shop. While the PSP had its own native entries like Tekken: Dark Resurrection , there’s an untouchable charm to the original trilogy from the PlayStation 1 era. Tekken -PSP-EBOOT- -PSX-
The existence of this specific artifact marks a critical moment in gaming history: the transition from physical media ownership to digital file management. For a player in 2008, converting Tekken to an EBOOT and loading it onto a memory stick via custom firmware was an act of technical defiance. Sony had not yet released Tekken as an official PSOne Classic in all regions; moreover, many players preferred the control and customization of CFW. The EBOOT allowed Tekken to be played on a subway, a bus, or a schoolyard—a portable arcade experience that was impossible a decade prior. PSX2PSP allows you to inject custom graphics: There