[Mobile Pitcher] is a mobile application for baseball fans to watch baseball game through their cell phone, and play online game with other baseball fans.

• User launch [Mobile Pitcher] on cellphone, and select the desired baseball game broadcasting.
• On the bottom of the screen, he can select a friend from his friend's list and use online chat room function.
• For playing a simple game, user click on "Predict" button, and he can input his guess of what the next pitch would be that the pitcher is going to throw.
• If he take the correct guess, his scores will add up and automatically update on server.
• His friend can participate the game at the same time and compete the scores with peers.