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Possible to Reprogram Handheld Tetris? Answered

I programed a simple game on a basic stamp before, and I just got one of those super cheap handheld tetris games
in hopes of using the LCD screen like a dot matrix.
The screen can't be practically used, but I noticed that the circuit board inside the game had a arrangement of holes that reminded my of my serial cable

more pictures: http://s156.photobucket.com/albums/t31/frank26080115/tetris_hack/

I can solder some wires to that and keep trying each pin until I ruin the original program or fry it completely, but before I start, is this even possible to program it like a PIC?

If it's not, is there a way to use those little flat parts that tough the back of the screen operate the LCD screen?

Has this been done before?