Frustrating I used to use OKD about two years ago and it was okay then. Now though  using the very same forms I used before  I am presented with errors. Now I don't know whether it is Google Appspot or something else  but I cannot use it any longer due to form submission errors. Also  the Google Drive option allows me to download an XML form from drive and use it but  I cannot submit it. It seems it is not even supported. You are supposed to make using your application easier as it matures  not complicate it.
April 08 2015