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.

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I used part of the "Laundry App UI Kit Sketch Resource" design that was designed by Satheesh Kumar at: https://www.sketchappsources.com/free-source/3397-laundry-app-ui-kit-sketch-freebie-resource.html to create a quick prototype

Try out this app prototype to bring out your mind back to focus and alleviate your stress and anxiety! Do use all the features. Suggestions are most welcome.