You are downloading the 40k Deathwatch Builder AppXBundle file v2018.1014.1535.0 for Windows Phone. 40k Deathwatch Builder is a free and useful Books & Reference app: Build, edit and save your Warhammer 40k Deathwatch armies to Ed 8 of the rules. Build your army by adding and editing squads, review your army then ... You can now download the offline AppXBundle file to install & try it.
Download Locations for 40k Deathwatch Builder 2018.1014.1535.0 AppXBundle file
Note: To install it manually from an SD card, you should choose one of the server location above to get the offline 40k Deathwatch Builder AppXBundle file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.