Company Jack Wong created these great apps:
StepLearn: Mathematics, Belt App, RideOn, NumBurst, AppStash: Spirit Level, AppStash: Color Picker, AppStash: Multi Timer, AppStash: Metronome, AppStash: Tuning Fork, AppStash: Piano, Deckery Music, Tapdat!!, Truth Or Dare - Spin for Fun, AppStash: Dice Roller, AppStash: Word Generator, Decypher, and others..