A You can change the play speed to slow by tapping “<<” button in the toolbar on the bottom.
You can also change the play speed to fast by tapping “>>” button in the toolbar on the bottom.
You can change the play speed to followings: Equal Speed(x1), Double Speed(x2), Quad Speed(x4),
Octuple Speed(x8), Sexdecuple Speed(x16), Infinite Speed(∞).
Infinite Speed skips time of between drawing and drawing.