Thanks to:

Olaf Kühle from DiaDoktor for scanning.
English translation by Tommi Brem.
The Website Theme (Distric) by YooTheme.
Packaging by Huwald-Liebschner.

Thanks to Gesellschaft für digitale Bildung for the support for iPad devices.

Thanks to Sleepwalker for the Beats for the crowdfunding video.

Special thanks to Tobias Bock, Jochen Schuster, Jost Peyer