Jayway is really good. http://www.jayway.com/2013/05/09/opengl-es-2-0-tutorial-for-android-part-i-getting-started/ http://www.jayway.com/2013/05/09/opengl-es-2

Jayway is really good. http://www.jayway.com/2013/05/09/opengl-es-2-0-tutorial-for-android-part-i-getting-started/ http://www.jayway.com/2013/05/09/opengl-es-2-0-tutorial-for-... But apart from that, the usual suspects, www.stackoverflow.com and www.gamasutra.com are ace.