How do I achieve Distortion/Wrap on Image?

[Jim_stephen]

There is an app named Funny Face Effects on the play store.
Link: https://play.google.com/store/apps/details…

I am trying to achieve the effect in which when a user moves the finger on image, pixels under the finger in certain radius shifts in that direction. It feels like moving a cloth with a finger or moving some thick paste with the finger. I could not find a proper name but I think it is called Distortion/Wrap on image.

I have posted on StackOverflow but I am not getting proper answer.
Link: http://stackoverflow.com/…/429429…/image-distortion-on-touch
Let me know if any one have knowledge or have demo link for that.
Thank you.

 

[ManiacJoe]

This coding question probably needs to be moved to the "developers lounge" for more eyes to see it.

 

[belodion]

Done.