*You can enter ruby code by keyboard. *You can find learning materials by the built-in browser . *You can save ruby code and learning materials, and can be modified to the save file and delete the save file . *You can control the background image and color, and execution voice , background animation, text color and shadow, switch interface animation , the number and the order of the main interface of the tab bar to create your learning software. *You can Learn ruby knowledge , the system provides some basic learning materials . *You can use ruby code or learning materials to generate two-dimensional code , for easy sharing .