A free app for Android, by Dreamward Lab.
Face Plus: Aging & Cartoon Art is an amazing photo editing app, specially designed for people who want to change their face. With it, you can turn your face into a cartoon, or a character from a famous cartoon.
The best thing about this app is that it is completely free. All you have to do is take or upload a photo, choose an effect, and save it.
You can choose from different effects, including faces, cartoons, and more. You can also change the style and the look of the photo.