Sorry, there is nothing here at this time, but be sure to visit Google Drive, click 'New' the 'Connect More Apps' to find and install the Chess PGN Viewer!
To get started, you'll need a PGN file to save in to Drive. Feel free to use this one of mine. If you click that link, on that page you can click on the 'Open With' menu then 'Connect More Apps'. If you type in Chess, it should be easy to find.