From last Thursday, 6 May:
Sling Player Now In Private Beta For Android OS
An email was sent out to the Sling Mobile beta testers for Android:
Can't wait until Sling Player Mobile is released for the Android!
The wait is finally over! A new private beta is available for the SlingPlayer Mobile for Android. Since your beta profile is a good match for testing, you have the opportunity to join the new beta program.
Please note this is a special invitation so do not share this email or the below URL with anyone else. Also, do not mention you received an invitation, that the beta is starting, or anything that’s related. Due to the overwhelming demand for this program, we’d like to keep things as quiet as possible. Just think of it as a secret club!