PSP Millionaire was updated to version 1.06. Thanks to psp-news for the news. New in this version:

Use Custom Questions added to start menu

Custom folder added. Inside this folder is a Question adder in which you can add your your own questions. Adding questions is as simple as typing in the dollar amount, typing your question, four choices, and the answer and clicking Save Question. Please read the ReadMe file for complete details. Using”Use Custom Questions”from the start menu willuse your questions in the game. There has to be at least one question per dollar amount or the game will not enter the custom mode

http://psp-news.dcemu.co.uk/pspmillionaire.shtml