You are downloading the Lumia Refocus XAP file v188.8.131.52 for Windows Phone. Lumia Refocus is a paid and useful Photo & Video app: "Requires the Lumia Amber software update or later. Lumia Refocus lets you take a photo first and choose what you want in focus later. It’s ... You can now download the offline XAP file to install & try it.
Download Locations for Lumia Refocus 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 Refocus XAP file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.