You are downloading the In Segreto AppXBundle file v2015.224.1316.417 for Windows Phone. In Segreto is a free and useful Social app: Finally comes the application of In Segreto for Windows. Look out: The application is not in any way associated with the site. The ... You can now download the offline AppXBundle file to install & try it.
Download Locations for In Segreto 2015.224.1316.417 AppXBundle file
Important Notice: Now Due To Unspecified Limitations, You Can Not Use The Offline AppXBundle File To Install It Any More.
To try to install it manually from an SD card, you should choose one of the server location above to get the offline In Segreto AppXBundle file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.