Zhi Zheng

This is an ear training app to help players familiarize with staff, intervals, scales and chords.A crab and his friends start a barbecue business.You …

This is a app for learning music and guitar .I am a indie game developer . I want to learn music theory to make music for my games . I want to find a …

This is a game to help you to learn morse code.In this game , you eliminate enemies hiding inside buildings using missiles . The morse code reports th …

This is a utility to help visual impaired persons to get a quick view of the surrounding environment by the camera.It helps you to detect walls,doors, …

This is a utility to help visual impaired persons to detect simple objects in a image .You can use it to detect light sources ,big objects with differ …

This is a utility to help visual impaired persons to detect simple objects in a image .You can use it to detect light sources ,big objects with differ …