mdv provides software for internet-ready mobile devices:
EFA Mobile Browser
The EFA Journey Planner can also be accessed on-the-go with xHTML-browser-enabled mobiles. In Munich, you can quickly and conveniently plan a journey at mobile.mvv-muenchen.de even without local knowledge of the transport system. No special network-service is required. And because the device accesses the EFA Journey Planner online you'll always have the most up-to-date information available. Using the flexible 'one field search', journey origin and destination can be entered as stops, addresses or POIs respectively. The desired location can then be selected from a list.
The section of map display is not fixed. You are able to move around on the map in all directions.