I replicate this cool "Switching tabs" animation by talented Jokūbas- https://dribbble.com/shots/1984025-Switching-Tabs For the creation of this animation, I simply used various state transitions.

An example of a date picker that can be imported and used in your project. (Basic use of variables) tags: calendar, picker, date picker

I used the Sketch "Delicious" free UI Kit for a food recipes app. It includes 11 pixel-perfect screens. I just added Proto.io interactions and created a great prototype! This Delicious UI Kit was designed by Robert Anitei Sketch source: https://www.sketchappsources.com/free-source/1765-delicious-ui-kit-sketch-freebie-resource.html

A halloween project i have put together using the Proto.io Halloween icon set: https://proto.io/freebies/free-halloween-icons/