[drats]

There was an Android update in September 2010.[1]

Edit + N.B.: The vertical axis on the graph is a "how to lie with statistics" one and makes it look like a bigger climb than it is. It does indeed overtake the iPhone but it's only a move from ~7.9 to ~8.5.

[1]http://www.google.com/search?sourceid=chrome&client=ubun...