Livestreams any game or app on your Android device

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Launched by Japan’s DeNA, the app allows users to live broadcast literally anything that is on their screen.Broadcasters can opt to add their voice and face to their stream for personalization, but essentially the app will sit in the background and beam whatever they are doing on their phone — games, reading news stories, shopping to their followers, which makes it far broader than any other screen broadcast app to date.
I keep thinking that this is a steal for anyone doing live user testing
Where is the robotics factor?