Seems like a very simple and primitive framework something like Corona.

http://love2d.org/

"Hi there! LÖVE is an *awesome* framework you can use to make 2D games in Lua. It's free, open-source, and works on Windows, Mac OS X and Linux. LÖVE is an *awesome* framework you can use to make 2D games in Lua. It's free, open-source, and works on Windows, Mac OS X and Linux."

Love's a fun little engine. I was using it to teach simple game logic to a friend a while back.