The first to can be for sure be controlled by the custom command or raw flow.
Switching to a certain station i’am m not sure.
If you send me a PM with you email address i can send you the custom command document and RAW command.
You can see the custom command or raw command on a tag.
So create a flow that display the tag en change something with your remote, the correct command will be shown.
App is not dead there is only no active development on it.
source code is on github but private