Specifics for Mobile Sales (Laptop): Opportunities 
Compared to CRM Enterprise, the following specifics apply to Mobile Sales in the opportunities area:
Buying center
Notes that you create for business partners in the buying center are not exchanged between Mobile Sales and CRM Enterprise.
You can transfer business partners maintained for an opportunity from the Opportunities/Parties Involved tile set to the Opportunities/Buying Center tile set by choosing the Select Parties Involved pushbutton in the Opportunities/Buying Center tile set.
For more information, see Buying Center.