TransitChattter

TransitChatter:

transitchatter.com

GP page: https://market.android.com/details?id=air.com.transitchatter.transi...

transitchatter is social activity app for those commutes you do on Chicago trains and buses. While the current api is adobe air, the next release will be a full native android application and have an expanded feature set to match the iphone application in itunes appsore.

The application was conceived by Samuel Pro and his friend due to their sharing train and bus commutes  within Chicago. Some of the features are:

chat with other commuters

find out about events, deals, etc

news and entertainment 

tracking and alerts

Give a try today, free for your use.