Hiya!
We've written a blogpost about the release of Toki Tori 2. It announces the Wii U release and explains why the Steam version will trail behind. It's available here:
http://twotribes.com/message/toki-tori-2-update-30/
After reading it, I hope you understand our perspective, let me know if you'd like to discuss it further.
Thanks!
Collin