ComScore has released their latest U.S. market share figures for the smartphone market, and Google's open-source Android platform has seen explosive growth since March, when the previous results were released.
Apple stayed stuck in second, with 24.4 percent, a noticeable drop from their 25.4 percent share at the end of February.
Continuing its multi-year trend, Microsoft's Windows Mobile platform fell significantly, from 15.1 percent to 13.2 percent.
The big winner was Android which jumped almost 40 percent, from 9 percent to 13 percent. Android is expected to see a similar jump in the next quarter.
ComScore adds that about 235 million Americans over the age of 13 have mobile devices.












