Whats the point of floating touch? Your fingers are already THAT close to the screen, why not just touch it? GIMMICK.
Smart Pause is going to be problematic. Usually when I watch a video, I will look away to see what is going on around me while yet still want to hear audio. Now the phone is going to annoyingly pause every time!? GIMMICK.
These features aren't innovative at all. Combine that with the design, Samsung has a big MISS.