I agree that it's useful to have that, but sadly still not very discoverable. I know people who won't tap anything before they are shown what it does. I might

I agree that it's useful to have that, but sadly still not very discoverable. I know people who won't tap anything before they are shown what it does. I might fall into the same category, noticing how confused I was recently after running some software with no button labels for the first time.