Originally Posted by Mutt

The Schwoogie Buzzer is the button a shop staff member presses when they
see a black person, or Schwoogie, enter the shop. The sound of The
Schwoogie Buzzer alerts the other staff members allowing them to follow
the Schwoogie around the store to ensure it doesn't steal a necklace or
the latest rap album.

So no, the app isn't racist, it's a practical tool like the schwoogie buzzer.