Snapkeys Si, made by Israeli startup Snapkeys, lets you see more of your smartphone screen while you're typing by using just four squares containing 12 letters instead of the traditional keyboard.

WSJ: From QWERTY to Quirky: New Ways to Type on Glass

In fact, Chinese companies like Changhong Electric are fast becoming leaders in the Smart TV field, recently announcing a partnership with San Francisco startup Flingo (a developer of Social TV apps) to better enable second screen engagement for Asian consumers.

FORBES: Mapping Mobile: What Does it Take to Crack China?

But more than 60 years later, a startup company in Japan is bringing back the Smell-O-Vision concept for a smaller screen.

CNN: Apparently This Matters: Smell-O-Vision for your phone