Just to be curious: How does the Threema App do this? Martinus 30. Juli 2016 um 16:23 Thank you,That clarifys a lot!
Just to be curious: How does the Threema App do this? Martinus 29. Juli 2016 um 12:57 Has Threema a different approach ?http://www.zdziarski.com/blog/?p=6143