Sorry for this long inactivity time, I had a serious health problem, so it's ok now;
You can now target sprite object to display the shader on the colorfx object (see example contain 4 shader at the same time on the screen)
Copy all .mfx files jsmath,slider,colorfx to the respective drawer
Copy all .js files ; and then open .mfa file to see now how it's easy to integrate shader on the html page.
The live example is here :