A free program for Android, by Waiterio Restaurant POS.

Waiterio is a simple and affordable point-of-sale (POS) system for restaurants and bars. It is designed to take orders and generate receipts in seconds. It is so easy to use that even if you don’t have any previous experience with computers, you will be able to use it in a few minutes. All you need to do is open the app, enter your restaurant or bar name, and your location. Then you will be able to start receiving orders. You can also customize your menu and the way you greet customers.

The app is designed to work as fast as possible so that you can serve your customers as soon as possible.