News, analysis and tips on the Google Android operating system, and devices and apps that use it.
Sony also promises that the Android 4.3 update is "right around the corner" for the rest of its Xperia lineup.
The Xperia Z1F is a sawed-off version of Sony's waterproof flagship Android smartphone, with a 4.3-inch screen instead of a 5-incher.
The Sony Xperia Z1 gets that shrinking feeling with a new, smaller version officially announced in Japan.
A limited-time promotion sees Sony giving away hundreds of dollars worth of movies, music, and apps for the Xperia Z1, Z1S, and Z2.
Acer has lifted the lid on two new smarties ahead of Mobile World Congress next week. And they're both very affordable.
The company says that the devices will run KitKat as standard and include some updates to native apps.
Sony's Xperia Z Ultra Google Play Edition flaunts an enormous 6.44-inch screen, fast processor, and stock Android 4.4 KitKat.
With its powerful processor, great camera, decent screen and gorgeous, waterproof design, the Sony Xperia Z1 Compact is the best small Android phone around.
Pricing not available
The search giant pushes its mobile operating system by releasing platforms that encourage device manufacturers to develop phones faster.
Sony introduced a boatload of gadgets at the company's Mobile World Congress press conference, including two fully waterproof devices. Check out our roundup here.