You are downloading the Bluetooth Agent XAP file v220.127.116.11 for Windows Phone. Bluetooth Agent is a free and useful Productivity app: Communicate with / control any SPP Bluetooth enabled devices, such as Arduino, Raspberry Pi, etc.More features coming ... You can now download the offline XAP file to install & try it.
Download Locations for Bluetooth Agent 18.104.22.168 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 Bluetooth Agent XAP file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.