Company Robin Schaefer created these great apps:
Angelführer Hessen, Angelführer Rheinland-Pfalz, Angelführer NRW, Fishguide Hessia, Fishguide Rhineland-Palatinate, Fishguide Badenia-Wurttemberg, Fishguide Brandenburg, Fishguide NRW, Fishguide Saarland, Fishguide Saxony, Fishguide Saxony-Anhalt, Fishguide Thuringia, and others..