You don't need to make money off of it for that to be illegal, at least in Germany where this forum is hosted.
Seit Mai 2016 finden auf Wiimmfi regelmäßig Mario-Kart-Wii-Wettbewerbe statt! Klick hier für weitere Informationen.
Since May 2016, there are Mario Kart competitions / tournaments on Wiimmfi! Click here for more information.
Me and someone else wanted to play this game online via Wiimmfi but before a match has started we got DCed with "Network Synchronization Error". I used HBC Wiimmfi Patcher v0.6 on a Wii U while the other person used Dolphin without frame drops. How we can fix this error?