Yeah, want to use the X1 in the bed room and a new X1S in the living room 
In the init.py there is an array named APPS_TEMPLATE.
When you edit that (in my case I have ~30 +) defined. Like “Scene Bright Living Room”, …
Every app/key you define there, will show up in the Sofabaton app as a key and can be assigned as usual.
In other words, you can define as much keys as you need. Only drawback is, that you have to re-add the device again, when you need more app/key entries and add it again to the activity’s.
Be sure to check the array syntax before running the emulator.