You are downloading the Retail Engagement Program XAP file v220.127.116.11 for Windows Phone. Retail Engagement Program is a free and useful Business app: The Retail Engagement Program, a private tool that requires an invitation along with a username and password to participate. If you have been invited ... You can now download the offline XAP file to install & try it.
Download Locations for Retail Engagement Program 18.104.22.168 XAP file
Important Notice: Now Due To Unspecified Limitations, You Can Not Use The Offline XAP File To Install It Any More.
To try to install it manually from an SD card, you should choose one of the server location above to get the offline Retail Engagement Program XAP file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.