Android combined with some electronics has been used much more than just a Google phone. For example see the video below to see how it has been used to control a remote control car over the Wifi network.
{youtube}n6ypGlTCbKk{/youtube}
What is interesting is that the phone has become an enabling electronic gadget since so much of the electronic wizardry is built in with the network connection. This points towards what is possible moving forward with phone as enabling technology. It is heading beyond its use as a communication device.