Snake animation on Nokia. NOKIA 3310 Mockup from: https://www.sketchappsources.com/free-source/3267-nokia-3310-mockup-vector-sketch-freebie-resource.html

Using variables to change the opacity of items Design Downloaded from: https://www.sketchappsources.com/free-source/2567-chandelier-lighting-illustration-sketch-freebie-resource.html

Design Credits: https://www.sketchappsources.com/free-source/4675-marier-shopping-ui-kit-ebizmirli-sketch-freebie-resource.html

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

Demo of Adding, Removing and Editing table rows

Random Graphs created by using variables.

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

Random Password Generator created using variables.

One Page Website example created with Proto.io