Do you have to print out the tickets? Or can they just scan the bar code from phone?

Scan the code on your phone

They scan your phone. Easy Peasy, once you get through the lines

You CAN, but don't need to.. They can also just scan your phone.

They scan it

You can use the bar code from your phone.

Can scan phone

They'll scan your phone 😬

Yes they just scan it from your phone