数方 Shikaku Privacy Policy

What we collect

This version of 数方 Shikaku does not create accounts, display ads, or include third-party analytics SDKs.

The app stores your sound preference, selected board size, selected difficulty, and local best scores on your device to preserve your experience between sessions.

What we do not do

We do not sell your data, profile your behavior, or upload your puzzle progress to a remote server in this release.

We do not use tracking for advertising purposes.

Contact

If you have questions about privacy or data handling, contact: yuhan0501@sina.com