The right app id can be found here (enter an app’s device name)
Or just take a look at the app store URL; the last part of the app id is the ‘reversed URL’ right after /app/
https://homey.app/en-gb/app/com.google.chromecast/Google-Chromecast/
But why not use a flow (I’m on my mobile, sorry, so ‘glue’ the screenshots from left to right)
Explained: When the app is paused or crashed, the Chromecast card will be unavailable.
In that case, the flow restarts Chromecast
