Iwata said the same exact thing last year about a "software wave" beginning with Pikmin 3. That sure turned out well.
There was a software wave, including::
1st Party:
Windwaker HD
Wii U Party
Wii Fit U
Wii Sports Club
Mario 3D World
Wonderful 101
3rd Party:
Sonic Lost Words
Mario & Sonic at the Olympics
COD Ghosts
Asassins Creed 4
Splinter Cell
Deus Ex
Just Dance 2014
Just Dance Kids
Disney Planes