In this case, the waiter can order instead of the guest on his/her mobile phone.
Guest can order in any language he/she wants to order by choosing the language in the drop-down menu.
The staff is receiving the guest order in the chosen language (their own mother language).
There is an option of calling the waiter by pressing a button.
Nobody, except from the staff in the restaurant, can see the guest order.
Every guest can order individually and pay his/her own bill.
The guest can monitor the status of his/her order on the personal device (mobile phone or tablet) from starting the order until the delivery.