The project contains numerous examples completed using variables and conditional logic.

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.

This app can be used to tip a person or waiter or a friend or any one.

An extended collection of fully animatable UI libraries like triangles, stars, arrows and more, let you bring your idea to life all within Proto.io.

This is an expand/collapse menu example that can be created using container states.

This is the prototype of my favorite music player, Poweramp. I've tried to recreate the Plastic HD theme of the app interface and made it pretty close to the original visually which includes some of the transitions. This design has been made with Adobe Photoshop CC and Material Design Library of Proto.io. Hope you guys like it! Would love to know your views on it and how can we improve it :) Cheers! Aman P.S: Turn up the speaker ;)

This prototype is basically just a Snapchat login very well designed, with most of the replicable elements of their app.