How to compile:

git clone https://github.com/mylegguy/libvita2dplusbloat
cd libvita2dplusbloat
git checkout 3f566a1d7a84fea19d151625a521df17092a83ae
<follow the instructions to install libvita2dplusbloat>

git clone https://github.com/mylegguy/libgoodbrew
cd goodbrew
git checkout 22c711e483b8e1d7deb58f8a211fa55d65b59b48
open goodbrew/config.h
on line 60, change it to:
	#define GBSND GBSND_SDL
<follow the instructions to install libgoodbrew>

now, to compile this source code:
make -f makefile.vita clean
make -f makefile.vita

last, put the "assets" and "sce_sys" folders from the original vpk into your new vpk.