Ruby 2.0 for iOS - run code,autocomplete

This is an ios ruby2.0 app,you can learn,run,share ruby script.
Features :
Autocomplate.
Auto Indent.
Code color.
In(the built-in browser or the txt editor),Select the text to run.
Horizontal screen development.
Code templates,the contents of the new file is copy from contents of the template file.

*You can enter ruby code by keyboard, and then you can execut the ruby code,support the gets function.
*You can adjust the code color and font size , and support to move the cursor left and right and up and down , easy to read and write.
*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 .
*The file system supports txt, pdf, chm, mp3,m4v,zip, gif, png, html, rb ,doc...
*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 .
*You can share code by Email,Weibo,Twitter,Facebook.
*You can use the counter,light in the Setting tab.