I don't why many masterpiece in art or photography is not so "realistic". Anyway, if you want a new way to take a photo or you want take special photo, you may try an Android Apps called Shake, Shoot & Share.
Shake, Shoot & Share is a simple Android Apps that would take a photo while you are shaking your phone. You would properly get a motion blur photo. You can share the photo instantly with your friend or you can shake again and again to take a masterpiece.
This apps is just for fun, so no advertisment nor Internet connection is required.
Shake, Shoot & Share can be downloaded in the following link: