You get a challenge from your friend to take a photo on someone's cellphone without getting caught and make your photo the wallpaper on that person's cellphone.When in a crowd,you see a tall guy holding his cell phone behind his back,you approach quietly and take a photo.Once finished,you make your photo his cellphone wallpaper.You left after doing that.the man looked at his cell phone to see the time,he was shocked

"Who's this?She's cute" He thought as he looked around to find you