???????????????????????????????????????????????
?                                             ?
?         ______   ______   ______            ?
?        /  __  /  __  /  __            ?
?          _ \  _ \  _           ?
?            ___\   ___\   ___         ?
?            __/   __/   __/         ?
?                                    ?
?             _     _     _          ?
?             /_/     /_/     /_/          ?
?                                             ?
?                                             ?
???????????????????????????????????????????????

Just put this folder into the PSP/Game directory and all should be ok. 
I have tested it on 3.71 33m-3 custom firmware and It should work upto 3.8 33m-5. 
Not sure on firmware lower or higher than this so you will have to try it for yourself.