How to cancel your Hopster subscription on EE Robin Sandbox Kids Support May 27, 2021 19:08 If you subscribed via EE Robin? Your subscription is handled by EE.Please send text message STOP Hopster, from your EE number to 80206.Any problems, please contact us at firstname.lastname@example.org. Related articles How to cancel your subscription on Apple TV How do I find the games? How do I find all the shows? Comments 0 comments Article is closed for comments.