ToxBox
Power Star
Baseball
Kirbys Dream Land
Mega Man: Dr. Wilys Revenge
Phantasm
Super Mario Land
This is Japan launch list but I don't think it will be same as other regions
There is Kirby Dreamland for Gameboy and I will be very very very very angry if this game is not in eShop in June 6 evening
There is also free Pokemon B&W AR in eShop and Excitebike in 3D classics
More info
http://www.nintendo.com/3ds/system-update
Kirbys Dream Land
Mega Man: Dr. Wilys Revenge
Phantasm
Super Mario Land
This is Japan launch list but I don't think it will be same as other regions
There is Kirby Dreamland for Gameboy and I will be very very very very angry if this game is not in eShop in June 6 evening
There is also free Pokemon B&W AR in eShop and Excitebike in 3D classics
More info
http://www.nintendo.com/3ds/system-update