Privacy Policy

Summary

• The game needs no registration or account. The developer does not collect, receive or store your personal data.
• Progress (levels, coins, found words, settings) is stored on your device, and on Yandex Games also in Yandex cloud saves.
• Ads in the Android app and on Yandex Games are served by Yandex services, which process technical data under their own policies.

Scope

The word game «Мут тӱня» (Mut Tünya, “World of Mari Words”), a PirogovLab project (developer: Mikhail Pirogov):

• Android app ru.pirogovlab.muttunya (RuStore, Google Play, APK install);
• the Yandex Games version;
• the web version on pirogovlab.ru.

Data the game stores

Only game data: completed levels, coins, hints, found and bonus words, “My dictionary”, daily rewards and quests, achievements, statistics, sound and vibration settings, and whether the tutorial was completed. It is kept in app storage or the browser's localStorage on your device and is never sent to the developer. Dictionaries and word cards are built in and work offline.

Yandex Games

On Yandex Games the game uses the Yandex Games SDK (Yandex LLC). If you are signed in with Yandex ID, your progress is also saved in Yandex cloud (“player data”) so you can continue on another device; the “Levels completed” leaderboard may show your Yandex profile name and avatar according to your platform settings. Ads (fullscreen, rewarded and sticky banner) are shown by the platform. Yandex processes this data under the Yandex Games Terms of Use and the Yandex Privacy Policy. The developer receives only the game save and anonymous statistics from the platform.

Ads in the Android app

The app shows ads from the Yandex Advertising Network via the Yandex Mobile Ads SDK (Yandex LLC; includes AppMetrica components): a banner at the bottom of the screen, fullscreen ads between levels, and rewarded ads that you choose to watch (a hint, double coins, an extra wheel spin). To serve, select and measure ads and to prevent fraud, the SDK may process:

• the device advertising ID (Android Advertising ID, AD_ID permission);
• device and system info: model, Android version, language, screen size;
• network info: connection type, carrier, IP address (approximate region);
• ad impression and interaction data.

This data is received and processed by Yandex, not by the developer, under the Yandex Privacy Policy and the Yandex Advertising Network terms (Rules, Offer). You can reset or delete your advertising ID and opt out of ad personalisation in Android settings (Settings → Google → Ads, or Privacy → Ads). The game works fully offline; ads are then not loaded.

Web version on pirogovlab.ru

The web version has no ads, counters or analytics. Like any website, the pirogovlab.ru server keeps standard technical request logs (IP address, time, browser) to operate and protect the site; they are not used to identify players.

Share button

A word card (image and text) is shared only when you tap “Share”, via the Android or browser share sheet, or saved as a file on your device. You choose where it goes; the developer does not receive it.

Android permissions

Internet and network state — to load ads; AD_ID — advertising ID for Yandex Mobile Ads; vibration — haptic feedback (can be turned off in the game settings). The app does not request contacts, camera, microphone, location or file access.

Children

The content is suitable for all ages (0+), but the game is not directed specifically at children and the developer does not knowingly collect children's data. Ads are selected and served by the Yandex Advertising Network under its rules. Parents can opt out of ad personalisation in Android settings or play offline.

Retention and deletion

To delete progress, use «Сбросить прогресс» (Reset progress) in the game settings, uninstall the app, or clear the site data in your browser. Yandex Games cloud saves and profile data are managed in your Yandex ID. Since the developer stores no data about you, there is nothing to delete on our side; for ad data you can contact Yandex.

Changes

If the way the game handles data changes, this page will be updated; the effective date is shown at the top.

Contact

PirogovLab, Mikhail Pirogov. Privacy questions — Telegram @mihailpirogov or our contacts page.

Русская версия