Roundup: Mobile device sales rise 13.8 percent

Here’s the latest action:

Mobile device sales grow 13.8 percent — That’s according to the second quarter numbers from analyst firm Gartner. Those numbers also show that Nokia’s market share fell from 36.8 percent to 34.2 percent, while Apple’s rose from 1.9 to 2.7 percent.

Facebook improves tools for iPhone, iPad developers — The changes should give app developers “a simpler and more consistent framework” for accessing Facebook data.

Digg close to profitability — At least that’s what founder Kevin Rose told All Things Digital in an interview about the social news site.

New York Times tech reviewer building Android apps — Google is preparing a set of tools called the Android App Inventor that’s supposed to allow average people to build apps. NYT reviewer David Pogue decided to give it a try. His conclusion? “Android Hype Inventor is more like It.”

Micropayment startup Flattr opens to the public — Publishers can now add buttons to their sites that allow customers to tip them for content they like.

Profits climb at Cisco — However, CEO John T. Chambers said there are signs that sales for the computer network equipment maker are slowing.

Zagat developing a site for restaurant deals — The restaurant guide-maker’s new site will be powered by DealOn, a competitor to group deals site GroupOn.

Kinect to sell 4 million units? Lazard Capital analyst Colin Sebastian estimates that Microsoft’s new motion-sensing platform for the Xbox 360 will sell 4 million units at $149 each this holiday season. Analyst firm EEDAR says the continued growth of the game business depends on whether the Kinect and Sony Move launches this fall are a success or not.