1. What is smart keymapping?
The smart F button means that the system intelligently recognizes different scenes (on board, get off, open the door, and squat equipment), and puts the F button intelligently in the corresponding position.
For example, when the backpack Tab, the map M, and the game setting Esc button are clicked, the mouse pointer is automatically released. Clicking on number keys to use your weapons or items, and adjusting your map magnification or weapon scope by scrolling the mouse wheel.
For more details: Smart Key – AI Buttons Detection
2. How to use smart keymapping for Standoff 2
You need to update MEmu to the latest version (at least 7.1.3) and then the smart Keymapping is set as default.
After that, you need to enter the settings of the game and change jump to button