Even if Google prefers to name different versions of Android after tasty desserts, the mobile operating system is still doing a good imitation of a simple snowball rolling downhill. A new report from Gartner indicates Android's even grown to the point that it's beaten Windows Mobile in terms of sales on a worldwide basis. Gartner pegged Android's sales at 1.6 percent of the smartphone market for the first quarter of 2009. For the first quarter of 2010, that figure was 9.