The biggest misconception about the Wii U Virtual Console is that it is a simple rom dump.
It is a not a simple rom dump/emulation process.
They have to get the game to run properly on the TV and Gamepad simultaneously without any slowdown.
For example: A PC emulator doesn’t even run every Nintendo 64 rom 100% perfectly.
Miiverse implementation for each game.
Create a community for each game.