You fill out a form to register for the challenge and you get $25 free credit to build a start up on their platform. The actual process for how it all works is

You fill out a form to register for the challenge and you get $25 free credit to build a start up on their platform. The actual process for how it all works is here http://aws.amazon.com/startupchallenge/rules/ http://aws.amazon.com/startupchallenge/rules/