No more "who was first?"
Like the old paper token, but on their phone. Walk-ins scan a QR code, get a number, and get buzzed when it's their turn.
Your token
027
3 ahead of you
Scan to join
Print the QR or show it on a screen at the door.
Wall display
Open the board on any TV — it updates live.
Buzz when called
Customer's phone beeps and flashes on their turn.