Cemu is a NintendoWiiU closed sourced emulator by Exzap that was initially released in October of 2015. It is updated once or twice a month and is capable of playing many commercial games at full speed. This is your best bet for Wii U emulation!
Step 3c)Move your Nintendo Gamecube and Nintendo Wii game ROMs into this location. Once you have moved the games, you can check them by opening DolphiniOS from Home screen. If you moved the games into the correct folder, you should be able to see the games...