1. atlanx
    FCE Ultra GX is an NES emulator based on FCEUX. With it you can play NES games on your Wii/GameCube. The GUI is powered by libwiigui.

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    Features:
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    - Wiimote, Nunchuk, Classic, and Gamecube controller support
    - iNES, FDS, VS, UNIF, and NSF ROM support
    - 1-4 Player support
    - Zapper support
    - RAM / State saving support
    - Custom controller configurations
    - SD, USB, DVD, SMB, Zip, and 7z support
    - Cheat support (.CHT files)
    - IPS/UPS/PPF automatic patching support
    - NES Compatibility Based on FCEUX 2.2.0+ (rev 2818)

    Hint:

    This version is not any more actively maintained - please have a look at FCE Ultra GX Mod: https://gbatemp.net/threads/fce-ultra-gx-mod-preview-wiiupro-screenshot-button.396515/