Video Motion Color Exaggerator exaggerates camera motion and color in real time. Amplify breathing of an infant, see blood flowing in a persons face, exaggerate facial expressions. Just hold your camera up to the subject you wish to exaggerate. It is based upon the paper 'Eulerian Video Magnification for Revealing Subtle Changes in the World' at MIT and is free.
check out http://people.csail.mit.edu/mrub/vidmag/ .
For the application to work make sure your phone and subject is as still as possible or most of what you see will be noise. To change between motion exaggeration and color exaggeration click on the configuration button top left and then uncheck the 'motion' checkbox to change to color exaggeration. Color exaggeration takes some time calculate therefore will record video for about a minute, then process it and then show you the processed video.