From the collaborative efforts of PSP homebrew developers InsertWittyName and MK2K comes the Phoenix Game Engine, a new engine for the Sony handheld that uses a port of the Lua 5.1.4.
Phoenix Game Engine (otherwise known as PGE) is a fully featured engine for game development. PGE Lua is the Lua wrapper of the engine.
The engine comes with 23 samples demonstrating how each module of the engine is used. Here's a vid of the engine in action, but remember to go through the documentation before anything else:
