IIIIITHE1IIIII on 14 April 2015
If anything this is linked to Xbox 360 and PS3 versions being made. They essentially develop one game and sell it on three platforms.
In Harmonix's case, their financial situation forced them to skip making a "last gen" version altogether. If they made an X360/PS3 version, it would have ended up on Wii U as well.
