What you described seemed pretty common when I visited Japan. For those in the Bay Area a Japanese chain Yayoi opened in Cupertino and Palo Alto.
You order entirely on the iPad. You do have to pay at the desk on your way out, but they just type in your table number you pay with Square. No tipping allowed so it feels so smooth and simple.
You order entirely on the iPad. You do have to pay at the desk on your way out, but they just type in your table number you pay with Square. No tipping allowed so it feels so smooth and simple.