More or less now is a week before the js13k deadline. My cargo-72 is coming along looking along.
I currently have the first 5 levels working pretty well - it has cows and jellyfish; and some rolling hills. I have also implemented touch screen controls which although currently not working well enough to play with are a good start and enough to at least let me test that the game is playable on my mid-range phone and low-powered tablet.
So excepting sound and music the game is mostly feature complete, mostly it needs levels and narrative content - the current zipped size is ~8500 bytes so I'm still doing okay.
Here is my latest demo. it isn't really mobile device ready yet but it kind of works.