The Flipboard animation created using states.

Filtering Activity Feed (Templates) by Tags using Container States Filter / container states

Interactive TV app prototype of Hulu's home page. Use the arrow keys on your keyboard (note: mouse click to enable keys) or map to a remote control on a television screen to explore a Hulu like home screen with proto io. Note: Must click the canvas to enable key presses, this seems to be a common restriction with most prototyping tools when building key press focus interaction models.

One Page Website example created with Proto.io

The project contains numerous examples completed using variables and conditional logic.