So the big picture here is that the rise of the mobile gaming market … is largely the emigration of consumers who stopped in briefly to play Nintendo’s hardware but had no long-term interest in that kind of platform.

Nintendo’s core market is still intact, and they are still growing their market. The explosive growth of gaming on mobile platforms could mostly be additive to the overall market, without threatening Nintendo.

Gamasutra's Matt Mathews, Nintendo's core handheld market is stable