You are downloading the DragonCon 2016 AppXBundle file v2016.903.447.0 for Windows Phone. DragonCon 2016 is a free and useful Books & Reference app: The Official Dragon Con 2016 Mobile App is your digital guide to all things Dragon Con, including viewing the convention schedule with close to 5000 ... You can now download the offline AppXBundle file to install & try it.
Download Locations for DragonCon 2016 2016.903.447.0 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 DragonCon 2016 AppXBundle file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.