Samsung Electronics has reported global channel sales of over 10 million units of the Galaxy S4 in less than a month after its global launch.

Unity Technologies has added the ability to develop for Android and iOS games for free using its platform.

Finnish startup Jolla has announced its first smartphone, which shows off its Sailfish OS on a 4.5-inch screen.

Devices built around Apple's iOS operating system have been approved by the U.S. Department of Defense for use on its networks, as the department moves to support multivendor mobile devices and operating systems.

Forget Glass, self-driving cars or a smartwatch. Developers, not physical consumer products, were Google's darlings at the company's annual I/O conference this week.

Nokia's is rebooting its U.S. Windows Phone push with the arrival of the low-cost Lumia 521 on T-Mobile and Lumia 928 for Verizon Wireless, but increasing sales to meaningful volumes in the very competitive U.S. market will not be easy.

HTC and Nokia are preparing to go head-to-head with new cameras on upcoming smartphones, as they hope to steal market share from Apple and Samsung Electronics.

The newly rechristened BlackBerry has delivered on its promise to breathe new life into its aging, iconic product line for diehard fans, but faces an uphill battle against the iPhone and devices based on Google's Android operating system.

In the next 12 months, smartphones with five new operating systems are scheduled to go on sale, leaning on Web technologies and improved user interfaces to try and make a dent in the dominance of Apple's iOS and Google's Android.

Microsoft made big bets on Windows 8, Windows Phone and Surface tablets in 2012, and now it needs to make those bets to pay off. As more consumers and businesses go mobile, 2013 will be Microsoft's most challenging year yet.