The links for the psp emus dev site are above. He lists out which games are bootable.
He also notes not all formats are supported yet.
However as far as PSP emulation is concerned this is an impressove feat doubly so cause he released the Android and PC versions at the same time !
This man deserves donations.
The next year is going to be an amazing year for Android emulation:
The below all stand to occur :
4. Grim fandango
5. Mame 32 speed increases
6. More Saturn optimizations
7. More n64 optimizations