We just released an awesome report on the state of Facebook mobile advertising. Highlights include:

• Click-Through-Rates Are 15x Higher On Mobile
• Clicks are 30% Cheaper on Mobile
• Mobile Ads yield a CVR that is 16% lower than Non-Mobile Ads
• Entertainment vertical shows highest CTR on mobile
• Android has a 62% higher CTR than the iPhone & BlackBerry
• Fans coming from mobile comment 22% more and like posts 63% more than non-mobile users.
• Fans coming from non-mobile drive 6-8x more engagement in terms of creating posts, viewing photos, clicking on links, and watching videos.

The full report can be found here:
http://www.adparlor.com/pdfs/AdParlor_Report_State_of_Facebook_Mobile_Advertising.pdf