Well, here\'s my request. I don\'t know OpenGL already, and I\'m not willing to learn it, I want to learn OpenGL ES directly since I\'m targeting my development to android, howe
2D programming is just 3D programming that's constrained to a plane. You'll have no choice but to learn 3D, but when you're using it just set z = 0.
There is an offical book on OpenGL ES. That might give you the intro that you're after: http://www.amazon.com/OpenGL-ES-2-0-Programming-Guide/dp/0321502795/