Nintendo leader Iwata's legacy: These Nintendo consoles

Nintendo has to make up for its Wii U failure, so its entering the mobile gaming world this year.

It's the first time Nintendo is making a move that's 100% software. It's totally new ground that could be mark a major turnaround -- or take this Japanese company one step closer to game over.

Iwata was overseeing this major transition. Tragically, he won't be here to see his vision come true.