Android 16 makes keyboard and mouse input more visible in desktop-style Android workflows. That is useful for larger screens, but it is not the same layer as mobile game key mapping.
The practical difference
Keyboard shortcuts usually trigger a system or app command: switching windows, navigating UI, editing text, opening menus, or running app actions.
Mobile game key mapping is different. It maps a keyboard or mouse action to a touch area on the real Android phone screen: WASD over the movement stick, mouse movement over camera look, clicks over fire or aim, and keys over jump, crouch, reload, backpack, map, skills, or vehicle buttons.
Why this matters for real phones
If you are testing or recording a touch-first game on a real device, keyboard shortcuts alone do not create a playable layout. You still need to decide where controls sit on the phone screen, whether touch zones overlap, and whether the layout fits the game mode.
A setup order I use:
- Movement and camera first.
- Fire, aim, reload, jump, crouch, and sprint second.
- Per-game profiles for shooters, MOBAs, racing games, sandbox games, and RPGs.
- A short recording before real gameplay so layout mistakes are visible.
This applies to PUBG Mobile, Free Fire, COD Mobile, Roblox, and many other touch-first Android games.
Source and setup
I wrote the fuller guide here: Android game key mapping vs Android 16 keyboard shortcuts.
Related setup guide: LaiCai key mapping guide.
LaiCai Screen Mirroring is built around real Android device control from PC or Mac. Use key mapping only in allowed environments and follow each game's rules.