Can I take part in the online seminar using a mobile device (tablet, smartphone)? 25 June 2021 12:49 Updated Yes, you can. Unfortunately, the functions are limited (e.g. problems with downloads can occur). Related articles Where can I get the certificate of attendance for an online seminar? What steps do I have to take or observe before the online seminar? Do I have to pay for Quizlet? Why can't I log into the online seminar? Why is the online seminar taking place at an inopportune time?