And they're the same on the K3 as the K4, so that's good
.
(FYI, the K2 uses ` instead of ~ as the private command prefix, so you have three 'groups' of commands: FW 1.x & 2.x, FW 3.x & 4.x, FW 5.x).
And, yes, there is a KUAL button, both in the Helper extension, and in the USBNet extesnion that the hack automatically installs.