Well, at least they own the product ... Roku did something similar with their remotes for a while (dedicated app keys ... and their still at it ...) Several of those apps no longer exist/function. Of course, this being a keyboard on a general purpose computer probably means the key is configurable for other purposes. May be the people who came up with the space cadet keyboard had the right idea ...

https://en.wikipedia.org/wiki/Space-cadet_keyboard