Company Kilian IT-Consulting created these great apps:
GUIDO Creator, Schifter, Ogopogo Music Player - the smart mp3 player, MatchTT - Match The Tunes, iMib, Breath Master, Delay Wiz, WGW - World's Greatest Warm-Up, Sensation Drill, Snare Drill - Sight-Reading Exercises for Drummer, Lesetrainer - Rechtschreibübungen für die erste Klasse, Trumpet Bingo, and others..
