You are downloading the Psychological Concepts AppXBundle file v2018.203.654.0 for Windows Phone. Psychological Concepts is a free and useful Books & Reference app: The appendix contains a description of psychological concepts. As implemented in the application easy ... You can now download the offline AppXBundle file to install & try it.
Download Locations for Psychological Concepts 2018.203.654.0 AppXBundle file
Note: To install it manually from an SD card, you should choose one of the server location above to get the offline Psychological Concepts AppXBundle file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.