rainbow编程 is a mobile app developed by Rainbow as a programming space for rainbow electronic building blocks. The app facilitates software-hardware interaction by connecting to the electronic building blocks via Bluetooth, enabling interactive programming learning through endless building possibilities. Additionally, the app offers a platform for learning Chinese, mathematics, and English, allowing children to experience the charm of science while gaining knowledge in various subjects.

The app features four main menus on the homepage: Control Mode, Sample Programs, Creation Mode, and Bluetooth. Control Mode includes functions for controlling LED lights, sound, display screen, and the rotation direction and speed of motors A and B. Users can access a wide range of colors, sounds, images, and pre-built programs for reference and execution.