You will select Mobile Ticket on Smartphone | Apple Wallet.
You will find your mobile tickets in the attachment of your confirmation mail.
Please make sure to save ALL mobile tickets in your Wallet App!
Android OS may require additional software.
For Android use, for example: PassWallet or PassAndroid
Detailed instructions for saving your mobile tickets on the selected device can be found here: iOS or Android
Attention: Mobile tickets are not valid as tickets for the Vienna Public Transport!