I have a snes9xgx forwarder channel, but how does vc injection work
Sorry for late reply. Looks like I'm cooking this day
Virtual console injection is the closest you can get to "Forwarder Channel".
Basically, you need to get an official Virtual Console wad, then, get your Roms you want to inject onto that wad.
Use a Windows program to inject your rom to that Virtual Console wad, and install it with any Wad Manager.
That's how it's done. I personally don't recommend it because a wad channel weights as much as 10 SNES roms.
The other way I can think off (AND THAT I PERSONALLY DON'T HAVE EXPERIENC WITH) is to set up WiiFlow.
I think I've seen some guys setting itin such fashion that all their roms (Gamecube, NES, SNES, etc) get's shown as individual games.
NOT CHANNELS.
WiiFlow is I presume, kind of an... "Alternative Menu Theme" for the Wii.
Again... I don't have experience with neither of these methods.
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I forgot to mention:
1.- Virtual Console Injection WONT use Snes9xGX
2.- WiiFlow lite will use Snes9xGX
Take a look at this video, perhaps this is what you want?