You are downloading the DVL Touch AppXBundle file v2016.601.1527.0 for Windows Phone. DVL Touch is a free and useful Books & Reference app: DVL Touch brings print-ready PDF publications to your Windows device, after turning originally static page documents into a feature rich multi-media ... You can now download the offline AppXBundle file to install & try it.
Download Locations for DVL Touch 2016.601.1527.0 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 DVL Touch AppXBundle file, move the file to your phone's SD card and then tap 'Install local apps' in the phone's App list.