Trust and accuracy is involved in the first and last of your examples - I'd end up having to check that the TP was actually added to the list, and that the timer had actually begun and was set to 10 mins.
Shuffling music, turning lights on, yes fine - because confirmation that the right thing has happened is instant and effortless. Anything else, I'll use a button or a screen.
Shuffling music, turning lights on, yes fine - because confirmation that the right thing has happened is instant and effortless. Anything else, I'll use a button or a screen.