Hey, I have good news. I finally managed to play with the adhoc. I tried to show it with pictures.
Psp versions:
(top) psp slim 2004 system Software 5.00 m33-7
(below) psp phat 1001 system Software 5.00 m33-7
both have leda version 02 and Nesterj 1.20 alpha Nesterj added to game150 folder.