Mobile Lowdown 6-29-11: Amazon, Rovio boost WP7; Square; Google+ Mobile

A look at some of the big stories in mobile today:

Windows Phone 7: Couple of good-news boosts for the Windows Phone 7 apps platform. Amazon has chosen the Microsoft OS for the debut of its first native mobile app for Amazon (NSDQ: AMZN) Fresh, its grocery delivery service; and Rovio has finally made a nest for its Angry Birds there, too.

Square: The mobile payments company gets $100 million in a Series C round, valuing it at $1 billion. Full story here.

Google+: No native iPhone app yet for Google’s latest stab at social networking, but it does have an optimized mobile web site. (via TechCrunch)

LightSquared: It’s not live yet, and is facing some heat in Washington over GPS interference complaints, but the 4G/LTE network LightSquared is pressing on and has signed on another wholesale customer, netTALK, which offers a low-cost VoIP and video telephony service by way of a routing device. It plans to add data services to its portfolio with the new agreement. (press release)

Growth levelling? IDC says the UK mobile market grew only six percent in Q1 2011 year-on-year; Germany grew only eight percent in the same period. (via IDC)