Former FCC chief Martin lobbies for LightSquared; Nokia reportedly prepping Lumia 820, 920

Quick news from around the Web.

@FierceWireless: RT@gigaom: What to expect at next week's Kindle event: A rumor roundup. Article | Follow@FierceWireless

> Former FCC Chairman Kevin Martin is now working on behalf of bankrupt LightSquared. Article

> Nokia reportedly is preparing the Lumia 820 and 920 with Pureview camera technology. Article

> A report by The Verge notes that Apple isn't necessarily claiming a patent on pinch-to-zoom functions. Article

> Apple lost a patent lawsuit against Samsung in Japan. Article

Mobile Content News

> Microsoft and Nokia are funneling $1 million to Windows Phone 8 application developers. Article

> PayPal released an updated version of its Android payment application highlighted by a revamped user interface as well as new features including credit and debit card scanning. Article

> Groupon is rolling out new versions of its mobile commerce applications for Apple's iOS and Google's Android, promising a more efficient user experience designed to simplify discovery of current offers. Article

And finally… Sprint's latest ad takes direct aim at AT&T and Verizon's new shared data plans. Oh, and it's hilarious. Video