Hi, it is nice to see that you like our product so much that you want to do even more with it. You can take a look at the developer.toon.eu, that might serve you.
If you really want to get root access on your display, please send an email to email@example.com. stating your display serial number and displaycode. We will then see how we can help you rooting your display. Please note, if you decide to root your display you won’t be able to revert to the original connected product anymore.