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

Form validation using variables and states

An example of a pricing screen imported from https://www.sketchappsources.com/free-source/3749-pages-ui-web-kit-update-2019-sketch-freebie-resource.html

Setting up a calendar event using Proto.io Templates and Variables

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

Simulation of a Photo Capture

Popup message on iPhone simulation Message appears in 2 seconds after screen loads / swipe left to dismiss / tap message app to run again

Created using some of the provided templates

Red light / Green light game from Squid Game