学习日语

Added by popular request :- the app will remember opened page history, pressing back will navigate this history in reverse chronological order, pressing back when the history is empty will still close the app.- in tablet : the width of the navigation is resizeable by dragging the dividing line between navigation & content, tapping on it will toggle between fully hiding it & resetting it to the recommended width (note : phone will still use the navigation drawer)- don't show the +- zoom button