gpSP is an emulator for Sony PSP (PlayStation Portable) where you can play Gameboy Advance ROMs seamlessly. The emulator is one of it’s kind for PSP as there is no other emulator that have the capabilities to play GBA ROMs efficiently as gpSP. Currently, there are two version of gpSP that are available in the internet, Exophase’s official version and UO (UnOfficial) gpSP kai. The later was modded from kai, a Japanese programmer/developer and it is more better than the one made by Exophase who has abandoned the gpSP project long ago.
How to install gpSP in your PSP?
First, you must download the latest version of gpSP from kai, here i have packed it with all the files that you need to play gpSP in your PSP at UO gpSP kai 3.4 test 3.
And then, extract it to the PSP/GAME folder in your PSP memory stick. You might want to add your GBA ROMs in the GBA/ROM folder in the gpSP folder so that you can play your favorite GBA game in your PSP. Note that you can also put a zipped ROM as gpSP can also read zipped files. That way, you can save some space in your PSP as a zipped ROMs are more space consuming. And there you have it, a working GBA emulator for you to enjoy in your very own PSP!
Let me know in the comment box below if you have any problems when installing gpSP application in your PSP, i will try my best to help you guys out.
Update: Apparently, there is also another Japanese PSP developer who is working on gpSP, and its provide far more better emulation on gpSP than kai. The latest release from Takka is gpSP-J 100429 (April 29th 2010 build). You’ll need a gba_bios.bin file to put in the gpSP folder so that you can emulate it.