I think the patch is separate from Tunngle. Maybe the Tunngle patch is a modified version of Tunngle that includes the keyboard support settings pre-configured for FIFA 11. Or maybe users use Tunngle to set up their local network and apply the patch to enable keyboard. It might require some configuration in the game's settings via the patch to map keys correctly.
Include a note about the potential risks again, since using pirated or modified software can be problematic. Stress the importance of legal copies and user-generated content. FIFA 2011 -Keyboard Patch Tunngle for fifa 11-
For many PC gamers, using a keyboard and mouse offers faster access to controls and a more responsive experience than a controller. Additionally, some players may find traditional gamepads uncomfortable or prefer the precision of a keyboard for passing, shooting, and tactical gameplay. The Tunngle patch bridges this gap, making FIFA 11 more inclusive for a broader audience. I think the patch is separate from Tunngle