You are downloading the Concrete Now AppX file v18.104.22.168 for Windows Phone. Concrete Now is a free and useful Productivity app: The Concrete Now! app provides access to the fundamentals of concrete technology through interactive tools to help construction professionals learn ... You can now download the offline AppX file to install & try it.
Download Locations for Concrete Now 22.214.171.124 AppX file
Note: To install it manually from an SD card, you should choose one of the server location above to get the offline Concrete Now AppX file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.