My two recent purchases:
It's ace. I'm really happy with it so far, particularly as it was a budget title priced at $9.99 here. I'm still getting to grips with the camera controls, but I'm already enjoying zooming around and watching the giraffes tromp around and the polar bears playing, and I've barely even started.
The other:
Haven't played it yet. I was just happy to be able to find it for the original retail price when everyone seems to be charging much more.