Here are the details we know so far:
-Will launch in the spring after the first performance update is released
-NES and Super NES will be supported immediately (other platforms will surely follow as time goes by)
-GBA games will be supported at some point as well
-Wii U VC games will be playable on the Wii U GamePad
-Games will retail for the same amount as they did on the Wii VC
-If you purchased any titles on Wii VC and transferred them to Wii U, you will be able to redownload these titles on the Wii U VC at a discounted price. Discounted prices for NES games will come in at $1.00 and Super NES games will come in at $1.50
-Wii U VC Campaign, created to celebrate the 30 year anniversary of the Famicom's release, will allow Wii U owners to download 1 game per month at the price of 30¢. This price will be available for 30 days per game. After 30 days, the price will return to its normal retail amount. Below is a schedule of the releases for NA/Europe and Japan.
NA and Europe:
January- Balloon Fight (NES)
February- F-Zero (SNES)
March- Punch Out!! Featuring Mr. Dream (NES)
April- Kirby's Adventure (NES)
May- Super Metroid (SNES)
June- Yoshi/Mario & Yoshi (NES)
July- Donkey Kong (NES)
Japan:
January- Balloon Fight (NES)
February- Fire Emblem: Monshō no Nazo (Mystery of the Emblem) (SNES)
March- Mother 2 (EarthBound) (SNES)
April- Kirby's Adventure (NES)
May- Super Metroid (SNES)
June- Yoshi's Egg (Yoshi) (NES)
July- Donkey Kong (NES)
Edited by Crispy Bacon, 23 January 2013 - 12:19 PM.