Unlike those earlier tools, Nokia City Lens lets you freeze the view, so that you can put the camera down to choose your options without having to awkwardly hold your device in the air to continue seeing the overlaid information.

BBC: Best travel tech in 2012

In place of the keyboard Stantum has put down its own touchscreen LCD, but despite this thrown together nature, the device is actually surprisingly comfortable to hold and relatively light.

ENGADGET: Stantum multitouch Slate PC prototype hands-on Hands-on