You are downloading the UPnP Spy XAP file v22.214.171.124 for Windows Phone. UPnP Spy is a free and useful Productivity app: Now updated for Windows Phone 8!Some app's are tailor made to control specific devices in the home... this app allows you to control them ... You can now download the offline XAP file to install & try it.
Download Locations for UPnP Spy 126.96.36.199 XAP file
Important Notice: Now Due To Unspecified Limitations, You Can Not Use The Offline XAP 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 UPnP Spy XAP file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.