I have a large customer buying many ES400 Sprint units very soon.  They are requesting information regarding the following topics.  Any experiences or suggestions are welcome. 1. Distracted Driving:anyone have an app that would prevent the device from being used while the vehicle is moving?  Tie in to GPS perhaps? 2. Auto prompt to add unknown phone number into contacts: 3. Ability to transfer contacts: when swaping devices they need a clean way to transfer contacts quickly as they do not store to SIM. 4. Increasing the size of the cursor: