奇拉钢琴 app for iPhone and iPad 4.4 ( 3744 ratings ) Music Developer: 世哲 陈 Free Current version: 1.0, last update: 6 years ago First release : 07 Jun 2017 App size: 24.32 Mb 连接钢琴或运用屏幕键盘,看乐谱、听乐谱、识谱、跟弹、判错