At this point (more to come, of course), you can't search the library catalogue but mobile access to a group of databases from EBSCOHost and Facts & Comparisons (they just began offering a mobile product) are available. You'll also find a direct link to the mobile interface of PubMed.
The announcement also points out that the Cowles mobile site has been "quality certified" to work on:
The FreePint Family is a family of resources to help information workers be more effective, raise the value of information in their organisations and contribute to success.
'FreePint... provides most of my professional development because it won't come through work and [other resources] just don't cut it.'
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