****Spoiler Alert****
I got it for the psp and I beat it and didn't notice if there was a way to a different ending, I fought Vader twice and ended up on a med table with a mask which is kinda weird because the Emperor comes in and comments how Vader is dead and you are now his apprentice, then the credits start to roll. Does anyone know if there are different endings for the psp and at what point in the game do you choose which one to follow?