Does the motorola atrix slingplayer app play in full screen when in webtop mode?
The following link will provide you with some information that might help you out.
Can't view full-screen video with SlingPlayer Mobile for Android
This issue is not exactly resolved. Slingplayer DOES work on the Atrix without issue. However it does not work on the webtop in full resolution because Android is Linux based and Sling will not make a Linux compatible Firefox Add-on.
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