While Apple, Google, Microsoft and Samsung fight for supremacy, on the tech market, Sony has released Sony Smartwatch,a touch screen Android based mini-pc and watch.
After the release of the Sony SmartWatch, Sony has released the project Open SmartWatch, making the code open-source, in order to get developed by other developers and code enthusiasts. The users that change the original firmware loose the warranty from Sony, but for now, there is no firmware alternative, yet.
More information can be found on the official site.