Here's whats in the link:
Sirus XM radio intends to launch a Google Android application, letting subscribers tune into 120 channels of commercial-free music and talk programming.
The satellite radio network offers several subscription options for mobile users: An internet only plan or a discount on mobile service for existing satellite radio subscribers. Sirius XM offers 7 day free trial memberships so you can test the app before signing up for a service plan.
The Android app isn’t avialable yet, but you can sign up at the Sirius XM web site to receive an email when it’s available. The company currently offers apps for BlackBerry and iPhone.
Here's where to sign up for updates:
http://www.siriusxm.com/android/indexd.html