Samsung has unveiled its latest offering in the smartphone world with the Samsung Galaxy S4 – along with a new version of its Music Hub.

Set to be rolled out at the end of April, the Galaxy S4 sports a five inch screen that can be controlled, to a degree, with the user’s eye movements.

Smart Pause will automatically pause a video when the user looks away, while Smart Scroll also takes into account both eye and wrist movement.

The ...