You are downloading the Boxing AppX file v188.8.131.52 for Windows Phone. Boxing is a free and fun Sports & Recreation game: -Boxing.free is a Windows Store and a Windows Phone game where you are boxing vs a computer player which player gets harder to beat during the game. ... You can now download the offline AppX file to install & try it.
Download Locations for Boxing 184.108.40.206 AppX file
Note: To install it manually from an SD card, you should choose one of the server location above to get the offline Boxing AppX file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.