When a mood belongs to Katy Perry, it not just another Friday night.She’s in a mood every night, every day, and every hour. Full of enthusiasm and energy, thy name is Katy Perry.This is just a vignette of more than fifty of her moods. And what’s more?You can set each of these moods as a Wallpaper.And while using this app, unlike most other wallpaper apps, you are NOT connected to any external site that keeps tracking you.Your pleasure viewing is completely offline, SAFE and guarantees you safety from external tracking sites.Note:This app can be used Offline.This app is FREE.This app is AD free.SD Transferrable.