I actually had this app on my 7100T for 2005/2006. I think it was a free offer in 2005 which I carried over to 2006. However now with the Pearl, I do not have the app installed. Its too bad. I loved it.
They do have this mobile version where you can view live scoring and make lineup changes:
Wireless - CBSSports.com
Fantasy Football on Mobile Web:
* FREE on CBS Sports Mobile Web
* View scores, set lineups and Fantasy team standings
* Access my player and general player news
Text FANTASY to 99888
Click on the Fantasy icon and sign in!
*Standard text and data charges may apply