Not that it will matter, the orange moron is going to do everything he can to gut the FTC. Unless they're going to do something in the next month they might as well just start wrapping things up now.
Every product that requires a smartphone app should disclose that fact along with the support for the app as well as support for OS versions.
Look forward to the day when you toss a perfectly good appliance because you lost the password to your toaster or the new router doesn't support your fridges' antenna frequency. Some automobile navigation systems have already been bricked when the local towers stopped broadcasting 3G.
Everything sold should have a standardised, recognisable, symbol/sticker on the front showing the minimum date that software support will be provided until.