Can you give out any more details? Can this replace a restaurant POS system like Micros, Aloha, Digital Dining, et all? My brother is a restaurant owner and is

Can you give out any more details? Can this replace a restaurant POS system like Micros, Aloha, Digital Dining, et all? My brother is a restaurant owner and is struggling with one of those scummy legacy POS systems and I am trying to help him out of it -- even to the point of rolling an open source POS system out for him