Company Xutility created these great apps:
Fishing Toddler for learning ABC, 123, Color, Shape, Fishing Toddler Lite (4 learning games in 1), Easy Chinese 123, Color Filling Fun, FotoGoofy Lite, 紅樓夢-電子書, 水滸傳-電子書, Wishing Pond (許願池), Wishing Pond Pro (許願池), and others..