Well this is simple. MWO has opened a site especially dedicated to mobile search engine optmization and mobile seo tools. There are some cool features and fantastic content, they are also constantly adding mobile content and tools. They also have programming help, tutorials and a section on high traffic mobile websites.

Main Page of MWO site:

They have a very wide-ranging article section on mobile website optimization which is a fantastic read, here:

You are smart to get into mobile optimization and content for mobile websites now, this is a hot sector and it is going to get a lot hotter in the next months and years!