Here's a demo showing a basic color picker using a container with 4 states for both the colored star and the color swatches.

Made by Ricciardi Antonio Pio, Marcelli Andrea, Motoc Marius, Saladino Mauro, Villalba Gianluca, Zaccaria Gabriele.

An animation of our Solar System

A simple, one page prototype inspired by Ramotion's Contact Sync (https://dribbble.com/shots/1749645-Contact-Sync?list=users&offset=11). Just play with the on/off switches.

Hit Refresh icon to see a loading animation for bringing new email. Swipe left on the top latest email to delete. (Inspired from http://www.beautifulinterfaces.com/item/114-covert-inbox)

A calendar picker concept based on Ramotion's example on Dribbble, https://dribbble.com/shots/1782092-Survey-Platform-Design

A demo showcasing Windows 8 components.

Tap/Hold the black circle to see the 2 state animation of the Keezy sound looping app. A circle of circular buttons spins out onto the expanded black circle that becomes the screen background. Once you're on this 2nd state, tap anywhere to return to the initial state. I recorded a webinar showing how to create this interactive animation: http://docs.proto.io/videos/re-creating-bespoke-interactive-animations-with-proto-io-2/ You can also find the assets here used for the prototype. Enjoy!