This is not stand-alone app, you need the app "Zooper Widget Pro" and "Nova Launcher" to use it. If you have any problems, please don't rate the app with 1 star but contact me on Hangouts or Email, I'll will be happy to help you! WIDGETS MADE BY: I'm Fayez Ahmed, this is my G+ profile, follow me for more. Goo. Gl/vBQcmV. Join the community.