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Did you set up another account in webmaster tools for your mobile website? I.E. http://m.yourwebsite.com If not I would create another website in webmaster for it. Also how long has it been since you submitted the new sitemap for the mobile site? this does take some time for Google to show how many url's are indexed.

It's a pretty terribly thought out tool and not at all helpful. It definitely needs some work. I just get a massive list of links to the homepage. Ideally, it would group them and state how many times each anchor text is used etc.