I’m looking towards the future when I have to swap out / replace one of my devices. If I have a device that has multiple smartapps associated with to it, the process of replacing it seems like it could be a bit painful. Having an option on each device page allowing you to “swap” it out with another would make the process painless for the end user.
As we all know, devices die. Have a good process to replace them in the app would benefit everyone!