G Pad
Only a couple of steps away from iPad. Literally.
LG Electronics – manufacturer of everything from electric vehicle traction motors to vacuum cleaners to smartphones – has released a video teasing a few details about its upcoming G Watch wearable, and has unveiled three new tablets in 7-, 8-, and 10.1-inch sizes. LG Electronics' G Pad 7.0, G Pad 8.0, and G Pad 10.1 LG …
and that is how to make complex input on a small device efficiently. That's why smart watches don't seem to have any real purpose. So far the closest to usable smart watch there has been probably was the HP-01. It was hard to use, but offered actual use to it's wearer.