Hulu streams 4K content to Apple TV, Fire TV, and Chromecast Ultra owners, but it has never raised the resolution cap beyond 720p for most with Android TV. Some reports, however, indicate that things may be taking a step up for the forlorn platform. Read More
While it's not exactly ripe with details, the Hulu Plus for Android app's latest update promises increased playback resolution for three popular 1080p handsets: the Galaxy S4, DROID DNA, and HTC One. The assumption you might make, then, is that it's adding 1080p playback.
That's possible, though the amount of 1080p content Hulu currently provides is pretty limited, apparently. And Hulu itself lists a maximum resolution of 720p on its supported devices page. Last summer, the Hulu app was updated with "high resolution" support for small tablets, so my guess is rather that this new update merely allows 720p playback on phones, not the Full HD experience. Read More