Broadway play, apparently. With all the new apps, functions, gestures, camera controls and kittenkaboodles, its plenty difficult just to figure out whats actually new and exciting about the Galaxy S4. Theres a good chance that youre never going to use half of these apps. Others may make you throw your smartphone through a window — say, for instance, if because every time you look away from your phone, the video you were watching stops playing. What is Dual Video Calling anyway? What, exactly, is the deal with all these different camera features?