LostJared has released a compilation of ports for the PSP dubbed LostPorts, heres the list:
LostPorts contains
Trails Demo
Iso-Fractals Demo
MasterPiecePSP 2.0
SDL_mxf (for custom fonts)
LostPuzzleBox 0.2
and PSC CD Demo (A Joke where you shoot pennys at PlanetSourceCode CD's)