The app was called Swap. It appeared to be a camera app of some sort, because it activated the device's camera. The instructions at the bottom told him to take a picture of two different people, and it would swap them. There were a bunch of settings, but he just hit one of them at random.
"Must be some kind of picture morphing thing," Mikey said. It probably took two pictures and morphed one into the other. He'd seen those before. He wondered who he should take pictures of.