A simulation of a shopping cart project. Add remove products to a pre-set shopping cart (Use of variables and States)

Basic To Do prototype based on: https://www.sketchappsources.com/free-source/3625-basic-to-do-app-design-sketch-freebie-resource.html

Going to a screen depending on a picker selection using states, variables and the 'Fire an items event' action

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

2 types of modals / popup examples

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

Interactive TV app prototype of Hulu's home page. Use the arrow keys on your keyboard (note: mouse click to enable keys) or map to a remote control on a television screen to explore a Hulu like home screen with proto io. Note: Must click the canvas to enable key presses, this seems to be a common restriction with most prototyping tools when building key press focus interaction models.