GeoUSA
Android Enthusiast
This weekend, the New York Times featured the Wikitude app and the G1. The article did not mention the Google Sky Map app, which I think also qualifies as augmented reality.
http://www.nytimes.com/2009/07/12/business/12proto.html?_r=1&emc=eta1
http://www.nytimes.com/2009/07/12/business/12proto.html?_r=1&emc=eta1