I used part of the "Laundry App UI Kit Sketch Resource" design that was designed by Satheesh Kumar at: https://www.sketchappsources.com/free-source/3397-laundry-app-ui-kit-sketch-freebie-resource.html to create a quick prototype

Scrollable Landing Page Design from: https://www.sketchappsources.com/free-source/1975-key-t-one-page-website-template-sketch-freebie-resource.html Top Menu and Side Slider changes (State) depending on the scroll position with the use of variables

Car rental created with related drop down menus. Submenu depends on parent menu selection

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

Random Graphs created by using variables.

Multilingual site created with the use of Screen States.

A starter project to practice UI animation and microinteractions

One Page Website example created with Proto.io

Used variables to change filters on an image

An animation of our Solar System