This app is the Android version of ENDO3 Atlas of Gastrointestinal Endoscopy, endo3 GI project - reference/learning tool for gastroenterologists, surgeons, internists, and other physicians evaluating endoscopy for diagnosis of gastrointestinal disease. Authors: Assoc. Prof. Radan Keil, M. D., Ph. D., Jan Stovicek M. D.