The configuration of the Google API is not documented.
Account : [ 7077467779379@developer.gserviceaccount.com ]
Auto synchronize : [ x ]
Use local browser : [ x ]
Secrets path : [  ] << prefilled,  where is this file ?
Credential path : [ credentials.dat ]  << prefilled,  where is this file ?

(My charma is unsufficient to post a link or a file.. :)) ) So please visit dl.dropboxusercontent.com/u/82752112/google_api.JPG to see what I mean.

but when I hit : "Authorize" I get     XmlHttpRequestError 

And its not fair ;)