That's a good question. I think I will wait, today, possibly tomorrow.
In the meantime I have mailed jampack once again, others in the subreddit too, all have get the message that die tickets will delivered till the end of this week. One has apparently get the info by instagram, that they "we are still sorting out the ticket allocation from the LP team. We are sending as soon as we are ready. " and that will be PDFs attached to email. Which belongs to the help section auf ticketmaster france, where they mention that mobile tickets will send as PDF files...