Auto Detection and Patching of needed ISO's
Select a PSP ISO, PSP, PSN PKG,
(PBP and PKG games can't be patched, Only ISOs)
Choose between PSP Remasters or Minis Format
Change Title ID or use PSP-Titles Default Title-ID
Full real-time XMB preview box
w/ custom options
ICON0.png
PIC!.png
PIC0.png
SND0.AT3
ICON1.PAM
Custom PARAM.HIP
PIC2.PNG (4:3 Only)
Source : http://psx-scene.com/forums/content/psptops3-gui-released-new-psp-remaster-method-3278/