Company MOZAIK Education Ltd. created these great apps:
Acropolis Interactive 3D, Gutenberg's press, mozaik3D - 3D Animations, mozaBook, Bacteria 3D, The mechanism of hearing 3D, Four-stroke Otto engine 3D, Human body (male) 3D, Tower of London 3D, The Sun 3D, Famous physicists 3D, and others..