The video below demonstrates an Android App built for evaluation of Atlantikwall exhibition at Museon in Den Haag. This application has been built on the Ionic Cordova stack. The user first chooses language(Dutch or English), then perspective(Soldier, Civilian or Civil Servant) and may then watch videos for the various points of interest.
Code available on bitbucket here. In this case the videos were stored manually to an external SD card of the