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
1000
7530
51
Published:

Rainbow Horse sticker pack for Apple

1000
7530
51
Published:

Tools