Yes, and the licensing service is actually one of the most used developer libraries embedded in Android apps ( http://www.appbrain.com/stats/libraries/dev http:

Yes, and the licensing service is actually one of the most used developer libraries embedded in Android apps ( http://www.appbrain.com/stats/libraries/dev http://www.appbrain.com/stats/libraries/dev ), although it's quickly being overtaken by the free + in-app billing model at the moment.