Kid Videogames (Potential Christmas Presents)

* Splatoon (Wii U)
- Can this be played by two players on one screen/system
- How is the online component? Clean like Mario Kart 8?
- Online, can two or three of us at the house play on a team against others?
- Is the game any good?

* Yo Kai Watch (3DS)
- 9 year old son loves Pokemon and watches this cartoon with his sister. Is this game to young?

* Just Dance Kids (Wii U or Wii)
- We have the 2014 version and my daughter loves it. It's two years old at out house, so we need a new set of songs. Got a recommendation. Again, for kids.

*Skylanders Imaginators (Wii U)
- My kids somehow inherited Superchargers and about 40 figures. They've beaten superchargers. What's the deal on this Imaginators version?
- Compatible with Superchargers?

I can only comment a little about these questions....
1. Splatoon has a mode that is one player on game pad and one player using a controller. It didn't look compelling to me.
2. I *think* all Splatoon online is one player per console.
3. The 9 year old would love Yo Kai Watch. There is a sequel out that is apparently a better game.