The coder DeViaNTe from the PSP Genesis Competition 2011, released a new homebrew-game, GDP, programmed in Lua.
At present only the game mechanics are ready in the next release will create a story mode with levels and bosses.
For more information, take a look at the video.
http://www.youtube.com/watch?v=Ssk3opUjpO0
DOWNLOAD
Via -> wololo.net/talk