Basic To Do prototype based on: https://www.sketchappsources.com/free-source/3625-basic-to-do-app-design-sketch-freebie-resource.html

Scrollable Landing Page Design from: https://www.sketchappsources.com/free-source/1975-key-t-one-page-website-template-sketch-freebie-resource.html Top Menu and Side Slider changes (State) depending on the scroll position with the use of variables

Graphics & Credit from: https://www.sketchappsources.com/free-source/3805-clean-web-login-form-sketch-freebie-resource.html. A simple Login page of a webpage using interactive Proto.io components.

A simple implementation of Pull to Refresh

Here's the previous version of Carousel's on boarding sequence