Nintendo Zone was discontinued in North America yesterday with the new 3DS patch, 9.9.0-26U. Nintendo Zone was a small application for the Nintendo 3DS which would connect to select Wi-Fi locations such as McDonald’s, Best Buy, and GameStop. When connected, it would unlock exclusive content for both the app itself and select games apart from giving the user full internet features.
The following image shows what the application displays when attempting to open it:
[Source: Parral4x’s Reddit post]