The application displays your phone number, also you can share or copy it to clipboard and add widget with phone number on a screen. Handy if you travel a lot and change a SIM-cards often, the app will remind you your new number and help to share it with any one. My phone number is done according to material design. The widget has two themes dark and white.
If you have dual-sim and a phone based on android Lollipop and upper, the app displays all your phone numbers. So you can add several widgets with different numbers on a screen.
* widget in dark and white themes;
* sharing phone number;
* copying phone number to clipboard;
* function keep screen ON.
IMPORTANT: for unknown reason some version of android don't provide phone number. It's not a bug of application.