The Samsung Galaxy range has taken smartphones to a whole new level, and the new A3 and A5 mark the latest evolution. Our Agents look behind the eye-catching metal design and sleek unibody looks to find out what really makes these new handsets tick. They also discuss the exciting progress of Virtual Reality and motion-tracking technology - from Oculus Rift to Leap Motion - and what the future holds for it. All that, plus the latest must-download apps to keep you entertained.