HBO Go can finally stream to the Chromecast. From both its iOS and Android app, HBO Go will now allow users to stream directly to Google's media player, filling in one of the Chromecast's biggest missing services. With today's addition, Chromecast can now stream from Pandora, Hulu Plus, Netflix, and YouTube, giving the device access to many of the most popular content providers around. It was a long wait — the app was reportedly in the works from the time that Google's streaming device was announced — but getting HBO on board has never been the quickest task for any media player.