You are downloading the Seecrypt XAP file v220.127.116.11 for Windows Phone. Seecrypt is a free and useful Business app: Seecrypt is the next generation of secure communications for Windows Phone 8. A user-friendly and intuitive application that provides secure ... You can now download the offline XAP file to install & try it.
Download Locations for Seecrypt 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 Seecrypt XAP file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.