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

change the background color using variables and container states

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

Simulation of a Photo Capture

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