Google has released two new apps for iOS, one for Docs and one for Sheets. The two apps are dedicated to viewing and editing text documents, as opposed to the Google Drive app, which shows all of your documents in one place. It's a way to easily find all of your documents of a single type. Both apps support all of the features that you would expect.
Original Article: http://feedproxy.google.com/~r/TheIphoneBlog/~3/O3PG-UmUTEU/story01.htm