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 website template with multilevel dropdown menus and scrolling area.

A project which uses Vector Animations to recreate popular social app interactions.

Simulation of scrollable Contacts list using variables (Use of variables and 'On scroll Interactions')

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