Things to do with a button (key)

Press and Release
Press and Hold - release when required
Press and release quickly

My ideas are:
1. Hordes of enemy soldiers pouring over the horizon, a gun rotates from right to left, pressing the button fires the gun in whichever direction it is currently facing.
2. Base ball - pitching, press the key down for how hard an inaccurate you want the throw to be. Hitting, press the key when the ball is near enough to hit, hold and release to define how hard to hit - direction is decided by how close the ball is to you when you hit it.
3. Puttputt - hold down to define how hard to hit the ball.

I'm going with option 1 - least requirements for models (thanks Reiner) and I can use Vue d'Esprit for the landscapes.

Menus will work on a cycling process, a few seconds per menu option in sequence, press key to select option.