Curved Slider controlling lamp brightness. Designs taken from: https://www.sketchappsources.com/free-source/3592-smart-lamp-view-sketch-freebie-resource.html

Prototype for Citrix Secure Mail with multiple email accounts

A basic mockup of a sign-up/sign in screens along with a 2-way authentication of a uniquely generated code each time.

Using the Carousel default Pattern in Proto.io. I use a few screen interactions to turn it into an Autoscroll Carousel. Design Credits to: https://www.sketchappsources.com/resource/download-3665.html