You are downloading the Shiny The Firefly XAP file v18.104.22.168 for Windows Phone. Shiny The Firefly is a free and fun Action & Adventure game: "Beautiful as a Pixar movie" [elmundo.es]"Shiny The Firefly is a diamond, a small collector's piece [9.5/10]" [iosgamerszone.com]"Bugtastic" ... You can now download the offline XAP file to install & try it.
Download Locations for Shiny The Firefly 22.214.171.124 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 Shiny The Firefly XAP file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.