Hoshizora has updated his unofficial OGRaniser for PSP again today. This application is based on Modsyn's original Organise for the PSP released a while ago. This program organizes your PSP/GAME folder, allowing you to choose priority of homebrew applications/games that you would view in the XMB and remove/hide corrupted icons.
Here's whats new file naming conventions are there:
Along with this update, Hoshizora has added both a Screen capture feature in the Splash screen and a Homebrew installation guide. He has also answered some user questions about his unofficial OGRaniser release which you may find helpful:
Q: Program may crash during initial loading
A: Restart your PSP and try again
Q: Exiting the program using HOME button may not work in Edit screen
A: Use analog-stick [LEFT] to exit the program
Q: My folders messed up using modsyn's version of organiser
A: Bugfix in uo_ograniser 0.9.0: Eboot.pbp lost if the shortcut directory contains more than 1 file. This version now supports multiple files in the shortcut directory!