I sent a similar inquiry about the Lumia 920 back in early November, and got the following, similar response. Yours sounds a bit more optimistic, so maybe there is some progress being made. I hope so...
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Thank you for contacting SiriusXM regarding our service. We apologize for the inconvenience this may have caused you.
We currently do not have information as to when the SiriusXM Internet Radio application will be upgraded to support more smartphone models. We recommend that you visit our website for updates.
For more information, please visit the link provided below:
SiriusXM for iPhone, iPod touch, BlackBerry, Android mobile devices - SiriusXM Radio
The following smartphones are able to support the SiriusXM Internet Radio Application:
- iPhone® 4
- iPhone® 3GS
- iPhone® 3G
- iPhone®
- iPod touch® (1st, 2nd, and 3rd Generation)
- iPad® (Using the iPhone® App)
- BlackBerry® Storm & Storm2 (9500 Series)
- BlackBerry® Bold (9000 Series)
- BlackBerry® Bold (9700 Series)
- BlackBerry® Tour (9600 Series)
- BlackBerry® Curve (8500 Series)
- BlackBerry® Curve (8900 Series)
- Motorola CLIQ
- HTC Droid Incredible
- HTC Droid Eris
- HTC Hero
- Google G1
etc....