EPiServer MobilePack is a free, open source add-on to EPiServer CMS 6 (R2). With the mobile templates you can set up your own contextual mobile site in just minutes, by reusing content from your desktop website.
MobilePack functions well across all popular operating systems and provides an app-like navigation. Editors and marketers can preview content for different screen sizes and take advantage of the built in personalization to target content based on the visitor's location or other criteria. It is a free add-on available to existing customers running EPiServer CMS (R2).
In the latest and greatest version of EPiServer CMS, MobilePack is not needed, as mobile content management is an integral component, included out of the box.