The Sling TV application is not a Sling Media product, but is a DISH Network service that enables you to stream live TV over the Internet to your TV, tablet, phone, or computer. The link below will discuss more about Sling TV:
We are always looking to expand on what devices are compatible with the Slingbox. Thanks for the suggestion. I have moved this over to the enhancement requests for connected device forums. This will let everyone know what features/products you are looking for support on.
Hope this clears things up!