You are downloading the Dogfight XAP file v188.8.131.52 for Windows Phone. Dogfight is a free and fun Racing & Flying game: Dogfight is a WWI multiplayer flight simulator! Fly through training levels all the way up to full-blown dogfights against enemy planes. ... You can now download the offline XAP file to install & try it.
Download Locations for Dogfight 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 Dogfight XAP file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.