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

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

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

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.