But the big news is spelled out right on the home page:
The Oracle Technology Network (OTN) Application Express Developer Challenge Oracle Open World 2013 is designed to highlight how quick and easy it is to build a "mobile" solution using Oracle Application Express.
Prizes include Amazon Gift Cards for first, second, and third.
Participants will be required to build mobile pages (an application) utilizing Oracle Application Express in a free hosted development environment, http://apex.oracle.com.Registration and details for the challenge won't be available until Monday, September 23rd at 3PM PDT, so be sure to check back then!
When entering the challenge participants must provide a workspace on http://apex.oracle.com. At the completion of the challenge period, the participants will be locked out of the workspace specified.