This software can access a certain substitution plan distribution system (aliased ESB) which is widely spread in the German-speaking area. It has been developed independently from heinekingmedia and implements the same functionality as their app. * Displays entries in a nice, native list which you can filter * Alternatively displays the raw website or image * View older versions of your plan, stored locally * Notifications containing only your entries * Replace shortcodes with teacher's full names * View the "News" and "Aushänge" sections * Loads relatively quickly