You are downloading the ICQ XAP file v220.127.116.115 for Windows Phone. ICQ is a free and useful Social app: Switch to ICQ from SMS or other messengers. Send free messages, use free voice and video calls! Your friends have already installed ... You can now download the offline XAP file to install & try it.
Download Locations for ICQ 18.104.22.1685 XAP file
Note: To install it manually from an SD card, you should choose one of the server location above to get the offline ICQ XAP file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.