You are downloading the Call Advisor XAP file v188.8.131.52 for Windows Phone. Call Advisor is a free and useful Productivity app: *** P.R.China users DO NOT install this application! It is TOTALLY USELESS for you! Some information in this app shown in Chinese only. ... You can now download the offline XAP file to install & try it.
Download Locations for Call Advisor 184.108.40.206 XAP file
Note: To install it manually from an SD card, you should choose one of the server location above to get the offline Call Advisor XAP file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.