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 email@example.com. Related articles How do I cancel my subscription? (Android/Google Play subscribers) How do I cancel my subscription on Roku TV? Comments 0 comments Article is closed for comments.