My tips from installation setup experience
http://forum.openframeworks.cc/t/dual-monitor-full-screen/13654/3
@rmadilluNov '13
it works if you disable the silly screen management Mavericks (OSX 10.9) comes with by default;
Go to system preferences >> mission control >> and set "Displays have separate Spaces" to false.
Log out and Log in again, and it will work.