As a kid you may remember playing the classic Dots game on a piece of paper with friends. Contlex Ventures has done a great job of recreating that experience for BlackBerry smartphones. The rules are the same with you playing larger or smaller boards. You connect the dots and the person who closes the box with their line gets a point. When all the boxes are closed the winners is the one with the most dots.
You can pick up Angry Dots in App World here. Now they just need BBM Mutiplayer!