Bingo has shifted from paper cards to digital play, making it easier to keep...

https://www.slideserve.com/abigail_gray10/why-did-bingo-move-from-halls-to-phones-and-tablets

Bingo has shifted from paper cards to digital play, making it easier to keep track of numbers in 90-ball games. Auto-dabbers mean you don’t miss a number, even during fast rounds