You are downloading the Glass Lock XAP file v22.214.171.124 for Windows Phone. Glass Lock is a paid and useful Productivity app: Create amazing glassy lock screen background for your windows phone. *Trial version is ads supported with limited functions. Updated icon ... You can now download the offline XAP file to install & try it.
Download Locations for Glass Lock 126.96.36.199 XAP file
Note: To install it manually from an SD card, you should choose one of the server location above to get the offline Glass Lock XAP file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.