Helps you know you're pressing the correct key shown in a keyboard shortcut

WhatKey helps you know you’re pressing the correct key shown in a keyboard shortcut. By holding down option on your keyboard for a couple seconds you get a nice bezel that shows you it’s the ⌥ key. (Yeah, we don’t know what the hell that’s suppose to be either.) But now you too can know what ⌥, ⌘, ⇧, and even ⌃ is.

Impresses your friends, or just ⌥ ⌘ ⎋ with the best of them!