Today's jaw-dropper is the amazing growth of Android-based phones - up 886 percent in the second quarter, according to research firm Canalys.

The surge also made Android the largest smartphone platform in the U.S., where it took 34 percent of the market in Q2.

Crazy growth in the overall market for smartphones continues as mobile phone buyers, especially in the U.S., upgrade to the more capable devices. Canalys reports that smartphone sales grew 64 percent in the quarter.

Worldwide Nokia still leds with 38 percent of the smartphone market in Q2, with its shipments growing 41 percent year-over-year to 23.8 million in the quarter, Canalys reported.

RIM's BlackBerry grew 41 percent, holding second place with 18 percent of the global market, while Apple's iPhone sales grew 61 percent after the iPhone 4 launch and it now has 13 percent of the smartphone market, according to Canalys.

"Expect to see smart phones accounting for a growing proportion of the wider mobile phone market as they become increasingly affordable to more customers," Canalys Senior Analyst Pete Cunningham said in the release. "By 2013, smart phones will grow to represent over 27% of shipments worldwide, with the proportion in some developed markets in Western Europe surpassing 60% and 48% in North America."

The chart - with U.S. and China stats only - included in the Canalys release: