"Apple and its employees and contractors do not accept, review or consider any unsolicited ideas, works, materials, proposals, suggestions, artwork, content or the like, including for advertising campaigns, promotions, products, services, technologies, product enhancements, processes, marketing strategies, product names, content or creative materials (all of the foregoing “submissions”). Please do not send or provide any submissions in any form to Apple or any of its employees or contractors."
If you send them anything they state that it automatically becomes the property of Apple without any compensation to you. Therefore, you may want to look into a different route to have your works shown.
Legal - Unsolicited Idea Submission Policy - Apple