I have signed, and I dont wish to rain on anyone's parade
but I dont think such a petition is going to sway any Nintendo decision makers. (very happy to be proven wrong tho)
The best way to get Nintendo, or any other platform holder even considering implementing Construct support,
is to start using Construct to produce the type, and quality, of games that they want on their systems.
They need to see a few games that go massive like Undertail, Guacamole, Binding of Isaac, a Tarreria, etc, coming from Construct engine ( games which Construct could do easily) and lots more games up at the quality level of eg The Last Penelope.
Then they will be calling Scirra...
So get cracking guys......