I couldn't count the many times I've been saved by the menu key, when my mouse somehow stops working for no reason. I hate that my current keyboard relegates it

I couldn't count the many times I've been saved by the menu key, when my mouse somehow stops working for no reason. I hate that my current keyboard relegates it to be second-class citizen in lieu of the Fn key taking its place (which on the other hand I find to be useless).