A good way to pass the time while you wait for your flight.
Sign up for a Changi Airport account via the app or site:
https://www.changiairport.com/en/changi-app.html
https://www.changiairport.com/en/changirewards/signup.html
For those who want to see what the stand looks like to help you spot it in your journeys or just want to see the robot in action:
https://youtu.be/yp2W7Ulap-0?t=304