Thanks for participating in our online forum community here! I understand you're wondering if you can use your Blackberry device with your Slingbox and I'll be happy to help you with this inquiry. SlingPlayer for Blackberry is an older version of our SlingPlayer software that we no longer update or support, however, here is a link where you can download the legacy software directly to your device:
Hope this helps!
The Sling Moderation Team