Do I need special devices to run OIDO in my establishment?
All hardware you need to implement OIDO:
2 iPads or similar Android tablet with wall mount and power supply.

All software you need to implement OIDO
The iPads or Android tablet come with all necessary software.
All technical requirements to implement OIDO:
2 sockets for the tablet chargers.
Stable WIFI for the Internet connection.
Please keep in mind, if there is no cellular reception in your establishment, you will need to give your guests access to WIFI.