Thanks for posting this.The text below the event page might give a clue, "Describe an innovative way in which you have used gyroscopes, accelerometers, or other device sensors in your app development." My guess, glasses-free-3D (autostereoscopic display) phone or tablet (both merged into one possibly) that adjusts the 3D depth perception to your distance and angle. Hopefully it has a retina-like display.
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