Koushik Duttas AllCast app can stream media to seemingly any set-top box you might own, but it hasnt let you stream to (most) Android devices. Today, though, that barrier has come down: Dutta has released AllCast Receiver, an app that turns any supporting Android gadget into a streaming target. You can now send video to a tablet for more comfortable viewing, for example, or mirror your screen to walk someone through an unfamiliar app.