Tetris or Brick Breaker
The classic Tetris game is an easy way to play a simple game while conversing over the phone. Its counter part for the Blackberry, Brick breaker, combines some of the aspects of Tetris with some new twists. These puzzle games are prefect to play while on the phone because they are entertaining without taking too much of your concentration from the phone call.
The Sims
The Sims mobile game is based on on the number one selling PC game. The Sims is a city where your character can build a house, make relationships with other Sims, and get a job. This game is a good game that incorporates the complexity of human life into a game available for your phone.
Bejeweled
Bejeweled is a game where you switch matching gems around to the same row in order to earn points. Certain combinations produce hypercubes that can be used to move to the next level. This modern puzzle is a fun yet simple game that can be downloaded for most phones or played on a computer if you have a house phone call to answer.