You can find the original USA version hosted on Internet Archive .
The installation process depends on whether you are using an original PSP console or an emulator like PPSSPP. Platform Save Data Path ISO/Game Path ms0:/PSP/SAVEDATA/ ms0:/ISO/ PPSSPP (PC) Documents\PSP\SAVEDATA\ Any folder on your PC PPSSPP (Android) PSP/SAVEDATA/ Any folder on internal storage Steps to Install: dragon ball z shin budokai 2 psp iso save data