It’s about time Google make this feature available. Today they announced (link here) that their bringing its web apps up to speed by making available Google Docs on iOS and Android.
Up until now, you’ve been able to access Google Docs from your iPhone, iPad, or Android device without any problems, but it’s been read-only access — there was no way to edit a document. That’s changing in the next few days, as Google begins to roll out support for document editing.
Keep in mind! Don’t edit your document and walking/driving at the same time