Socket Mobile, the company formerly known as Socket Communication, has set up an intriguing teaser website that alludes to a mysterious smartphone concept.

ENGADGET: Socket Mobile teases with smartphone concept

It had a joint venture with Ericsson that had been slowly sinking since the iPhone launched in 2007 and reconfigured the concept of a smartphone.

CNN: Mark Milian,

Designed on the basis of the concept of the 'Smartphone-life Platform' which is intended to provide a more fun and enriching experience to smartphone users, 'LINE Channel' functions as a platform integrating additional apps and services.

ENGADGET: Line messaging and VoIP app adds 'timeline' and 'home' features, throws in new platform for app integration

Finally, the company is demonstrating a concept that it thinks will be able to extend your smartphone's user interface.

ENGADGET: Neonode's Proximity multi-sensing technology hands-on (video)

But they are about minor details of the implementation of how you build and operate a smartphone (well, OK, rectangles with rounded corners aside) not about the very concept of one at all.

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When Motorola launched its Webtop concept alongside the original Atrix 4G, it had grand visions of replacing our PCs with a smartphone, a Lapdock and some optimism for a mobile-focused future.

ENGADGET: Motorola phases out Webtop, points to a Lapdock-shy world