With the Emu Loader you can start most of the emulators that have ever been programmed for PSP. It's very helpfull because you dont have to see all of the emulators in your XMB/GAME menu. Read more about Emu Loader (PSP Application)
AgenaWorld is a classic space shooting game similar to (and a little aiming towards) the "Homeworld" PC game, but has its own unique features. Read more about AgenaWorld v1.5 (PSP Game)
You play as a 9 year old boy in a game about his absolute dream: a world made of candies! Your role is to guide Nikwi through all the 30 levels, eat all the candies in each level and avoid the monsters and the hazards that each level has. Nikwi has a talent on jumping high - although his falls are not as good as he would like - and this is his only armor against the monsters which try to turn his dream into a nightmare. Read more about Nikwi Deluxe PSP v0.5 (NDS Game)
Blox is a puzzle game, where you need to move Sliders onto pads of the same colour (sounds exciting, doesn't it?) With 100 puzzles, it should keep you busy for a while (there's a puzzle editor too, for the creative types out there). Read more about Blox (GP2x Game)
graphDS is a graphing calculator application designed for the Nintendo DS. Currently, the program is capable of evaluating mathematical expressions and Riemann sums as well as simultaneiously graphing up to four Cartesian, parametric, or polar functions. Read more about graphDS v0.4 (NDS Application)