Here 's some videos:
http://youtu.be/I3u0IrJ4r_w
http://youtu.be/-Zn9DJYSpTY
http://help.sap.com/saphelp_47x200/helpdata/en/33/4c9a34272a5f2ee10000009b38f83b/frameset.htm
http://andy-klee.ulitzer.com/node/1533094/mobile
http://www.saptechnical.com/Tutorials/Workflow/Workflow.htm