Company Jonathan Fritz created these great apps:
SelTap, H.I.TS Histaminintoleranz, DiviD, Giuse's, HITS DB - Histamin Intoleranz, GFII - Vertretungsplan, RapidBoard von Noscio, BrainF, Latein, BetterSearch, Don't touch this, ADAM - Aufzüge im Blick, Mach dich Terminus, ColorPrism - Farben in Echtzeit scannen, FMX Partner, Vong?, Schlafenszeit, Remote Timer, notaduo, and others..