Gotta call out the DS and 3DS synthesizors they've published: http://www.korg.com/us/products/synthesizers/korg_m01d/ In terms of just adding to the "weirdly cutting edge" vibe.

And, you know, on the one hand, they're synths running literally on toys, and on the other hand... https://www.youtube.com/watch?v=Q1Dogq8g35c or https://www.youtube.com/watch?v=2ixQvm7t_F0 .