2018-09-23 digi-libris mobile (beta) now supports boxed libraries, i.e. collections of documents and other digital assets offered by a content provider to assist users in populating their knowledge base on first start up. Such libraries are typically distributed on USB sticks or SC-cards together with this free app.digi-libris digi-libris mobile 2.0 Update
For informed decision making before downloading: online preview of documents and videos, text prompts in other languages for tutorial videos and instant translation of titles and descriptions.