Further along in the CIM setup process, the ATG COMMERCE REFERENCE STORE ADDONS menu displays:

-------CHOOSE ATG COMMERCE REFERENCE STORE ADDONS :-----------------------------

enter [h]elp, [m]ain menu, [q]uit to exit

  Choose ATG Commerce Reference Store AddOns :

  [1]  Storefront Demo Application
  [2]  International : Enables multi-country and multi-language functionality
  [3]  Fulfillment
  [4]  Oracle Recommendations On Demand Integration
  [5]  RightNow KnowledgeBase
  [6]  ClickToCall Integration
  [7]  Mobile Reference Store
  [D]  Done

Select the Mobile Reference Store option in addition to the other add-ons that you require.