The United States Department of Defense has awarded a $2.9 million contract to build a private military-based app store for use on its networks. The firm Digital Management, based in Maryland, has been given 12 months to develop a “mobile device management system and mobile application store” that can handle the Pentagon’s incredibly high security requirements.

It’s much bigger than it looks.

Sony has unveiled its new Xperia Z Ultra phablet at the Mobile Asia Expo in Shanghai this morning. The device boasts a large 6.4-inch display, the latest Qualcomm Snapdragon 800 processor running at 2.2GHz, and 4G LTE connectivity. Like its little brother, the Xperia Z, the Xperia Z Ultra is also waterproof.

Imgur has today launched its official Android app via Google Play. The free download brings all of your favorite Imgur features to your mobile device, including the ability to browse viral images, comment and vote on images, and upload images directly from your smartphone.

Don’t worry, iOS users — Imgur is also coming to the App Store soon.

Apple has begun charting iOS adoption figures to help developers establish the percentage of users running different versions of iOS. Google has been doing the same thing for Android developers for some time, and Apple’s chart only highlights the massive difference in fragmentation between the two platforms.

AT&T has announced a new pilot program that is scheduled to start in New York City called Street Charge, which supports cellphone users who are in need of some extra battery juice by providing them with solar-powered charging stations around the city.