Nintendo Co developer Rare's games too. This only guarantee that DeNA will not create a complete crap. But things like Mario Baseball and Namco's Star Fox happens.
Likely have input on what not to make. For example the idea to make a racer gets pushed Nintendo likely will say no as that could potentially mess with Mario Kart. I doubt we'll see anything that directly assaults franchises on the dedicated platformers. That's not in Nintendo's best interest. Which is why we might not see a full fledge Pokemon RPG. Instead games like Shuffle, Pokepark, or even some form of Rumble.