was never officially released for the PlayStation Portable (PSP) . It was strictly a PlayStation 2 and Nintendo Wii title.
, these fan-made "ISO" ports aim to recreate the BT3 experience on handheld devices. Core Mod Features
This is where the search for the "ISO" gets interesting. Because Tenkaichi Tag Team has a similar engine, modders have spent years trying to turn the PSP game into Tenkaichi 3.