Black Hole is a customizable and very functional lock screen that replaces the one build in your phone. Main features:- Pin pattern: set a pin to protect your phone- Quick access to torch- Customizable background picture;- Double tap to turn off the screen;- Notifications on screen;- Rotation;- Music controls(If you have troubles with music control and Spotify please check this tutorial: https://youtu.be/sgf0SSduaN8 )