Nevermind. People in MK9S' staff is at work now.
Only add Mario and Splatoon projects
Stick with MK9S: 1
Work on both games: 7
Go with Splatoon S: 5
First to 10 is the one that'll be worked on.
Development on Splatoon S' engine has started.
If you haven't visited our MK9S forum thread, go read it!