A clone of the award-winning game Gobblet (which was given the Neighbourhood Toy Stores of Canada Gold Star Award --don't tell me you haven't heard of that prize), Shawn Grimes' StackEm is a colorful, simple twist on Connect Four that is well worth looking into as a two-person endeavor on your iDevice. The app as it is today (version 1.8) doesn't offer much to the single player -- the AI makes ridiculously stupid plays -- but for just $0.99 on the App Store, you can get a very good abstract s