Hi Mickel,
Just to be sure… 
I’m using your app version 3.8.1 with Homey on a Integra 32 panel and it works great!
Until now used for arming and disarming with different flows.
You mention that not all output can be controlled through Homey, but I’ve bought some smoke detectors and was wondering if it is possible to use the Satel siren as output, like
If smoke detected
then
Satel → Siren on
(I’m using module ETHM-1 (V1.07) (Not Plus!))
