At the Google (GOOGL -1.51%) I/O conference last week, Google bragged that Android has enjoyed over 900 million device activations to date, nearly twice that of Apple's (AAPL 0.53%) 500 million iOS devices sold. However, there is more to the story than just sheer numbers. In this video, Fool contributor Steve Heller explains to Erin Miller why he thinks Android is an underestimated power.