perhaps it's only a question of finding the right algorithm to separate the Worthwhile Health Education Applied Tutorials from the Common Health Academic Formation Function.
PS I read your report long ago and wonder what the traffic lights of digi-libris (for Android) would look like today, now that it includes the possibility to show text prompts in any language alongside tutorial videos and can read dMeta packages, i.e. bundled know-how items?
HIFA profile: John Miescher works with BizGraphic in Switzerland. miescher AT bizgraphic.ch