You are downloading the Grin XAP file v188.8.131.52 for Windows Phone. Grin is a free and useful Entertainment app: Grin is an unofficial client for Imgur. Install to:- browse hot, top, new, and random categories;- view and add comments;- view user ... You can now download the offline XAP file to install & try it.
Download Locations for Grin 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 Grin XAP file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.