Guzheng Connect: Tuner & Notes Detector
Sensor Notes
GuZheng
Yang Zongming
Guzheng Master
Sensor Notes Global
Guzheng Extreme
Joybox
Guzheng Symbol
FlapMusic
调音器
Michael Moessner
Tuner
StringApps
完美调音器
NETIGEN Apps
游戏调节器(Game Tuner)
Samsung Electronics Co., Ltd.