Shopping cart using variables to calculate selected item amount, and total costs using variables. Project also includes a thumbnail gallery

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

iPad mobile tablet prototype using hotspots, carousel and tab bar for navigation.

change the background color using variables and container states

Design Credits: https://www.sketchappsources.com/free-source/4675-marier-shopping-ui-kit-ebizmirli-sketch-freebie-resource.html

Basic menu using a moving focus model for TV apps such as Hulu, Youtube etc. Key presses are used to map interactions which would be mapped to physical remote controls for live demos. 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.