Company Dialeto Latin American Documentary created these great apps:
LunarCalc, isLeap, TeleCalc, EasterDate, Resistor CC, ElectroPad, CalPlanner, SideralClock, QSO, MCode, CalendarPlan, InductorCC, CapacitorCC, TeleOtk, A Musica na Escola, iClothes, iClipses, PlanetParty, OFTAM, Peixes do Madeira, and others..