If you are using the app Vine, and like me are amazed at how people are using it to create animations, you’ll want to know about Ghost Mode.
Ghost Mode, like the name implies, leaves your last frame captured as a ghost image on the screen. It allows you to keep items in your shot aligned thus improving your animations. You can read more about using Ghost Mode in the following link
After using the mode for a while and perfecting your skills you can try this tutorial and make an amazing animation.