@GiUd@
I#ve just been playing around quite a while and finally managed to get the 0.48 release to work on my 3.03oe-c firmware.
I used the prx from original 3.03 firmware and dumped them without the sigcheck.
I put everything into ms0:/PSP/GAME
so directory structure now looks like this:
ms0:/
/PSP
/GAME
/mapviewer (here I put the prx)
/maps
/system
Then in recoverymode I set Game Folder For Homebrew to 3.03 Kernel.
Oh yes and don`t forget to set FAKEFEED=1 in the config file
ms0:/PSP/GAME/mapviewer/system/config.txt