Google Docs has always been accessible from various mobile devices, but now it's even better thanks to built-in viewers for Word, Excel, PowerPoint, and PDF documents.

The Google Docs viewer works just as well on third-party Android Web browsers like Dolphin HD as it does on the phone's default browser.

To use the new markup tools, open a new or existing document in Google Docs on your Android device, head into the editing mode, and you should see an icon resembling a scribbling pen.

Boost your mobile productivity with these power-packed, time-saving features in the Docs Android app.

Users needed to enable offline access on their Google Drive settings for laptops or through the Google Docs mobile app settings on Android.