Simplify the following text for a Grade 11 native English-speaking person.
Original: The Nintendo Wi-Fi Connection ( commonly abbreviated WFC ) ( stylized as nintendo Wi-Fi connection ) is an online multiplayer gaming service run by Nintendo to provide free online play in compatible Nintendo DS and Wii games .
Simplified: Nintendo Wi-Fi Connection ( commonly abbreviated WFC ) is a device on certain Nintendo games that let the player of the game play with people around the world .