Manipulated by puppeteers using rods, the figures create the illusion of moving images on a translucent cloth screen illuminated from behind.

UNESCO: Intangible Cultural Heritage

Happily, we think Sling really nailed the app's UI -- the on-screen translucent controls are pretty cool and generally work well without obscuring the view.

ENGADGET: SlingPlayer Mobile for iPhone coming shortly: $29.99, no 3G support

The translucent and flexible design provides an unrestricted view of all on-screen action.

ENGADGET: Ten One Design's Fling mini now delivering tactile control to touchscreen gamers