kikoso/android-stackblur — pull request #6 by Dr-Emann (2013-12-06 09:15:30+00:00)
Title: Support renderscript

I used the blur renderscript intrinsic, which is very fast (see [here](http://android-developers.blogspot.com/2013/08/renderscript-intrinsics.html)). It does use a Gaussian blur though, which reacts differently with alpha than your implementation.