I am developing an android application in opengl ES2.0.In this Application I used to draw multiple lines and circles by touch event in GL surfaceView.
As opengl depen
Taking a punt here, but are you ever actually clearing the screen? The kinds of behaviour you are seeing suggest that you are not, and that in different scenaries you are seeing different errors - uninitialised memory, reusing an old buffer, implicitly clearing, etc.
GL requires you to be specific about what you want, so you need to explicitly clear.