See the latest Webinar video hangout on the mobile checklist. Session 2 is all about your mobile content. It deals with website navigation, drop down content, placing content and remastering it for small screen display. Most importantly it covers tools used by the experts to resaie images and optimise them for smartphone, tablets and mobile devices.
MobileChecklist session 2 – Optimizing your website content for mobile
You might also be curious about this http://moz.com/blog/mobile-site-audit-checklist