How to group devices?

[Olivier_Arthus]

ok I have installed the app and I’m trying to understand how it works, not straight forward to me.
I have read the topic:

[APP][Pro] Device Capabilities - Enhance the capabilities of devices

If you have questions about the App Device Capabilities or seek help with an Flow or with the Flow Exchanger, please see the Device Capabilities Topic. This topic! German Another German topic English If you have questions about the Advanced Virtual Device or seek help with the Exchanger File, please see the Advanced Virtual Devices Topic. German English If you want to post a AVD as a Template for others to use, please post it on Share Your Device! - Advanced Virtual Devices. Germa…

but I don’t see some kind of user guide giving the general principles, I will try on the dedicated topic.