Let's simmer down a bit and take it old school. Like Atari old school? No, like cave man old school. "Next-gen" graphics too much and getting in the way of the simpler things in life? Then let us present to you the electronic Rock, Paper, Scissors key chain.
This modern marvel comes in packs of two for $8.89. By pressing a button the LCD will display one of the three magic symbols to resolve any shotgun calling or last slice of pizza debates instantly. The site says you can even "challenge your left hand against your right!"