The free online office solution from Google, Google Docs editor now supports editing documents on Android and iPhone. You can now work on your important memo or make quick note while on the bus, train or from anywhere by just visiting docs.google.com in a browser on your supported mobile devices.
This feature will be introduced within few days and will be available for English-language users around the world on Android with Froyo (version 2.2) and on iOS devices (version 3.0+) including the iPad. Support for other languages will be included later on.
Read more about this at official blog post