You are downloading the Directory of Tanks AppXBundle file v2018.121.706.0 for Windows Phone. Directory of Tanks is a free and useful Books & Reference app: The appendix contains a description of the tanks. As implemented in the application easy ... You can now download the offline AppXBundle file to install & try it.
Download Locations for Directory of Tanks 2018.121.706.0 AppXBundle file
Important Notice: Now Due To Unspecified Limitations, You Can Not Use The Offline AppXBundle 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 Directory of Tanks AppXBundle file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.