I've only glanced at it so far but if you're using ES 2.0 then it would be a big help as ES 2.0 has no fixed function pipeline so everything is done in shaders.

I've only glanced at it so far but if you're using ES 2.0 then it would be a big help as ES 2.0 has no fixed function pipeline so everything is done in shaders. The only real difference IIRC between OGL 3.0 and ES 2.0 is the unavailability of many extensions OGL users are familiar with.