I used Wii U USB Helper to install a few Gamecube games on my Wii U. There was an option to force 4:3 but, not knowing which games may have supported 16:9 at the time, I didn't check that box.
I wish I had, because all my games are only 4:3, and now they look stretched on the Wii U. They playback perfectly, but they do look a little odd. Can I change my default settings for Nintendont even if I've just been using the forwarder to inject them into my Wii U menu. Is it easier just to delete those games from my Wii U and re-install them via Wii U USB Helper again, and this time checking the "force 4:3 box"?
Thanks.