CoffeeScript At Once!

What app do you use for killing time? Social Game? Enjoy web programming without personal computers [Features]- Editting HTML, CSS, JS (only 1 file per project)- Setting text/background color, font of editor- Custom keyboard for input symbols- Preview by internal browser- View generated html source- Supporting iPhone and iPad (Universal)- Downloading HTML, CSS, JS and Librarys- Sending mail- Post to Gist (Github)- View console log- View error log (iOS 5.0+)