Great work. Much thanks to Donaldta and Gekkekoe!
I put up some changes into the Opening Post. If anyone has time to find some errors or some info to add to it, send me a PM with the information (in the right format, so I can copy paste it int...
I understand that you are frustrated with the lack of feedback here. I can't help until I get my Volvo with SCT a few weeks from now.
Regarding the Messenger app, is it enough to know if it exists for SCT, or do you need the apk itself?