Google Inc.'s  Android operating system was the dominant operating system in the U.S. smartphone market in the three month period ending February 2012, comScore reportedly said.

Reports stated that Of the more than 104 million smartphone users in the U.S., about 50% used Android, while 30% used Apple Inc.'s platform and 13% went with Research In Motion.

ComScore said there were 234 million Americans age 13 and older using mobile devices, says report.