There are two flavors of the TouchDevelop programming environment: The TouchDevelop Web App runs on iPad, iPhone, Android, PC, Mac. The TouchDevelop Windows Phone app runs on Windows Phone. Both the Web App and the Windows Phone app use the same programming language, and their editors are quite similar. Some features may not be available on your platform.
watch tutorial videos to learn how to use the TouchDevelop language and editor in the Windows Phone app.