How about
Mozilla/5.0 (UbuntuTouch; Galaxy Nexus) AppleWebKit/534.46 (KHTML, like Gecko) Version/1.0 Mobile Safari/534.46
With the Webkit version reflecting what is actually included, and the device is taken from the environment
How about
Mozilla/5.0 (UbuntuTouch; Galaxy Nexus) AppleWebKit/534.46 (KHTML, like Gecko) Version/1.0 Mobile Safari/534.46
With the Webkit version reflecting what is actually included, and the device is taken from the environment