Update 3: Live on YouTube is back, more than two weeks after it debuted and almost immediately vanished. The description still says it's only for the Xperia Z2, but we have no way of confirming that, so your mileage may vary.
Update 2: ...aaaaaaand it's gone.
Update: Commenters who own the Xperia Z2 and Xperia Tablet Z2, as well as the previous-generation Z1, have said that their phones are listed as incompatible.
[New App] Sony's Live On YouTube Lets You Broadcast To YouTube From The Xperia Z2 [Update: It's Back] was written by the awesome team at Android Police.
