Hi Andy,
SAP NW Mobile includes over-the-air device management, application design tools and synchronization middleware that allow occasionally connected mobile devices to interoperate as part of the company's business process.
Check below relevant links:
http://scn.sap.com/docs/DOC-8564
http://help.sap.com/nwmobile711/
There is one good pdf available. You can search by Frequently asked questions sap netweaver mobile 7.1
There is one SAP CRM mobile app using SAP NW Mobile + SMP (SUP old name)
http://scn.sap.com/thread/1848801
For SMP related,
http://scn.sap.com/thread/3406565
http://scn.sap.com/community/developer-center/mobility-platform
There is a separate setup for sap Mobile platform.there you will find runtime and sdk. Runtime is nothing but youe smp server and sdk is Mobile workspace where you do data modeling connecting to different backend.
SMP system cam connect to different backend like rest web services, soap services, sap backend
Regards,
Jitendra Kansal