You can add picoloop which is a native psvita vpk. It is a 4 track sequencer/synth.
Here is the release page :
https://github.com/yoyz/picoloop/releases
Here is the download link for the vpk :
https://github.com/yoyz/picoloop/releases/download/picoloop-0.76a/picoloop-20170118-0.76a-psvita.zip...
I like that games can be fixed after the fact, hate that it's being abused via beta tests... And DLC... I was a 7800 owner back in the day and loved Impossible Mission, turns out I couldn't beat it because it was actually impossible lol