You are downloading the Truedialer APPX file v188.8.131.52 for Windows Phone. Truedialer is a free and useful Productivity app: Truedialer shows you full contact details the moment you dial unknown numbers, making your phone Truly smart. You never have to call an unknown ... You can now download the offline APPX file to install & try it.
Download Locations for Truedialer 184.108.40.206 APPX file
Note: To install it manually from an SD card, you should choose one of the server location above to get the offline Truedialer APPX file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.