You are downloading the Lumia Beamer XAP file v188.8.131.52 for Windows Phone. Lumia Beamer is a free and useful Utilities & Tools app: Requires the Lumia Black software update or later. Show your phone’s screen live on any display that's connected to the internet. Share ... You can now download the offline XAP file to install & try it.
Download Locations for Lumia Beamer 184.108.40.206 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 Lumia Beamer XAP file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.