I'm happy to publish my collaboration project with guys from Apple and Sticker Place.
Last year I was commissioned to create a sticker pack using awesome new iPad Pro and Procreate. 
Here's also a short interview and story of making. https://itunes.apple.com/ru/story/id1328012970 
The first sketches looked like this: 
Rainbow Horse sticker pack for Apple
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Published:

Rainbow Horse sticker pack for Apple

1,061
8,374
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Published:

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