Ganesha

hi, I'm using pspkvm app in ppsspp emulator (Android). but I'm little curious about soundfont they added. they added preset in .pat file extension. but i want change sounfont to new one. i have sonivox(eas).sf2 sounfont. but the problem is how deal with pat file(s). do i need to remove pat file s from the app and replace sf2 in corresponding folder in app and edit the .cfg file as well? if yes then what i type in cfg file.or any other solutions? overall is i just want change default to my custom...