If you've ever been to an Apple Store and seen a group of little girls sitting in front of PhotoBooth making faces, you can see the need for an app that does the same thing.
Camera Sutra "is the first app to do live PhotoBooth-style effects for the iPhone 4 or 3GS. Unlike other effects apps, which require the user to manually apply effects after a standard photo has been taken, Camera Sutra uses the new iOS 4.0 APIs to provide live previewing. We have over a dozen effects, including PhotoBooth favorites such as stretch and thermal camera."
With a simple one-touch interface and 13 effects to play with, Camera Sutra is a great way to play with something like PhotoBooth on the go. Give it to your kids and they'll be busy for hours.
Be sure to check out the additional screenshots after the jump. Enjoy!