So much for a coding challenge to get tickets. "Registration will be first-come, first-served so make sure you're online promptly at 7AM PDT on March 27."
Part of your registration may be to checkout a Google Code project in the language of your choice and run the resulting program with a prequalification code they give you.
That would be unfortunate if you're trying to register on your phone, but they could easily just mention in advance on Google+ that you're going to need to be on a desktop computer.
