Call Blocker - Screen Ringtone is a great app that will put uniqueness every time someone calls you.  This app features a lot of screen effects, colorful themes, LED Flash, and ringtones for you to customize your phone with. The app also secures and protects your call privacy as this will block calls from known spy calls. 

Set your notifications and LED flash for every call so you won't miss a thing. Apply various cute themes and effects to every caller and make phone calls stylish.