Puddle reminds us of Mercury on PSP - with similar liquid blob survival themes, but this one taking on a side-on view.

The PSN version also uses the tilt functionality of the Sixaxis or Move controllers, for a more visceral experience.
It looks pretty cool, and is out on the UK PSN and XBLA now. It's also on the US XBLA, but won't arrive on the US PSN until next week.
Here's the trailer: