For support or issue resolution, first have a look at https://support.athom.com and if you cant find an answer there then you create a new ticket here https://support.athom.com/hc/requests/new.
If you need help in how to create a support request you can find more information here.
There is a Homey Community App Requests topic where you can request an app.
And a form for requesting new features.
Please make sure you make the request with the provided template, to make sure all needed information is provided.
However the best thing to do is to read the welcome message.
I am closing this thread, if you have a problem with that please contact myself or another moderator.