This is a simple tool to create a scanline effect for PSP games and homebrew.
I'd recommend trying this on an 'actual' PSP first instead of a Vita eCFW since it's in beta stages but It's been tested on PSTV and seems to work fine on that platform as well.
I completed this simple POC in under 2...
RetroArch (Vita) is comparable with exploited PS Vita / PlayStation TV (aka Vita TV)
Included Cores (as of v1.7.6)
81_libretro
2048_libretro
dosbox_libretro
easyrpg_libretro
fbalpha_libretro
fbalpha2012_cps1_libretro
fbalpha2012_cps2_libretro
fbalpha2012_libretro
fbalpha2012_neogeo_libretro...