Support
Effective date: October 8, 2026
Contact us
Email kzhfdev@163.com. We normally respond within three business days. Include your device model, iOS version, game version, level number if relevant, a description of the issue and a screenshot if helpful. Do not send passwords, private keys or full payment-card information.
Gameplay or technical issues
Tell us what happened and the steps leading to it. Contact support before reinstalling or clearing data because those actions may affect progress.
Purchase issues
If charged but items did not appear, include the product, approximate purchase time and relevant transaction details. Do not buy again solely to test delivery. Apple reviews eligible refund requests at reportaproblem.apple.com.
Advertisement issues
For a missing reward or problematic ad, describe the placement, approximate time and what happened. Include a screenshot only when safe and relevant.
Privacy requests
Use the subject “ColorBlock Privacy” for privacy requests or “ColorBlock Data Deletion” for deletion requests. See Privacy Policy and Privacy Choices.
Developer
Shenzhen AppDev Technology Co., Ltd. 13F, Haowei Technology Building, 2 Keji Nan Ba Road, Nanshan District, Shenzhen, Guangdong, China. Telephone: +86 130 5810 7315.