Legal

Privacy Policy

Last updated November 5, 2026

What the app collects

Nothing. Mahjong Drift needs no account. Your progress, daily puzzle history, statistics and settings are stored on your device, and the current version of the app does not send them, or any other information about you, to us or to anyone else. The game plays fully offline.

Advertising

The current version shows no ads. A future version will show ads through Google AdMob. Before it does, this policy will describe the information involved, and the app will ask for your consent where the law requires it.

This website

Like most websites, this site and its hosting platform process limited technical request information, such as IP addresses in server logs, to operate, secure and diagnose it.

Future features

If a future feature needs additional personal information, this policy and the relevant in-app notice will be updated before that collection begins.

Your choices

You can remove locally stored game progress by clearing the app’s data or uninstalling the app. Platform backups may follow the settings of your device account.

Contact

Mahjong Drift is operated by cPen Network. Privacy questions can be sent to hello@cpen.io.