Smart Guitar
Beijing Qule Technology Co., Ltd.
Music
Free
弹琴吧-钢琴吉他学习平台
Beijing Qule Technology Co., Ltd.
Music
Free
弹琴吧钢琴陪练
Beijing Qule Technology Co., Ltd.
Music
Free
吉他调音器（最好用的调音器）
Beijing Qule Technology Co., Ltd.
Utilities
Free
听音识谱练习
Beijing Qule Technology Co., Ltd.
Lifestyle
Free
Metronome(easy to use)
Beijing Qule Technology Co., Ltd.
Utilities
Free