Their other PS3 games used the sixaxis, the next logical step would be advanced motion control. Flower has already been talked about receiving Move support, but that couldn't have taken up all their time since Flower released.
Could it be, that they have been working on a Move game that is to be revealed at E3?
This is pure speculation on my part, but you heard it here first 
“It appeared that there had even been demonstrations to thank Big Brother for raising the chocolate ration to twenty grams a week. And only yesterday, he reflected, it had been announced that the ration was to be reduced to twenty grams a week. Was it possible that they could swallow that, after only twenty-four hours? Yes, they swallowed it.”
- George Orwell, ‘1984’









