This Splash screen prototype shows a vector animation of a headphone made in After Effects. Use the Bodymovin plugin that exports a JSON file and can be dropped right into Proto.io.

Recreation of the animation from: https://www.sketchappsources.com/free-source/1978-whiskey-jack-daniels-app-sketch-freebie-resource.html with a snap carousel

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