The complete tutorial on how to render Text using OpenGL can be found here:
http://www.haroldserrano.com/blog/rendering-text-using-opengl-es
Rendering Text using OpenGL ES 2.0 in iOS
Objective-C++MIT
The complete tutorial on how to render Text using OpenGL can be found here:
http://www.haroldserrano.com/blog/rendering-text-using-opengl-es