You are downloading the Walkie XAP file v220.127.116.11 for Windows Phone. Walkie is a free and useful Productivity app: Keep looking where are you walking and call someone or type him a message. Text is always readable, because of special background overlay usage! ... You can now download the offline XAP file to install & try it.
Download Locations for Walkie 18.104.22.168 XAP file
Note: To install it manually from an SD card, you should choose one of the server location above to get the offline Walkie XAP file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.