A Sample project used in various official Proto.io tutorial videos. It contains various design patterns commonly found in popular mobile apps.

Drag and drop the blue "app icon" to rearrange the order of the apps on the Home Screen

Swipe to see some Porsche models. Tap on a car to get more information on that car. The project is using States and State animations

Tinder UI cards

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

The recently released Google Inbox app is a re-thinking of the email inbox experience that beautifully demonstrates Google's material design interactive animation language. This prototype focuses on the compose button's animation. Click the + to reveal a new state where a wave of buttons and labels float up, and the + becomes a pencil icon. It uses two states, with staggered animations.