Well... believing to the comments of youtube
[color=#0000BF:1oc3x3t4]qvadi:[/color:1oc3x3t4]"But that works fast... I applied Newton for 2D physics in my game and doesn't work fast as this engine.
If its faster than Newton2D then it should be faster than NGD (our physics engine which is originaly for 3d
) then it would be still good for applying this quicker engine to the Construct.