Privacy Policy

Mahjong Realms for Android · last updated 19 October 2026

We do not collect anything ourselves: the game has no accounts, no analytics and no servers of ours. Two Google services are involved: ads (Google AdMob) and optional purchases (Google Play).

Who we are

Mahjong Realms ("the game", package com.mahjongrealms.game) is made by an independent developer ("we", "us"). Contact: mahjongrealms@gmail.com.

Data controller: the developer of Mahjong Realms (contact: mahjongrealms@gmail.com). For the ads and payments described below, Google is responsible for the data it collects under its own privacy policy.

Ads (Google AdMob)

The game shows two kinds of ads, provided by Google AdMob:

To show and measure ads and to prevent fraud, the Google Mobile Ads SDK (AdMob), with Google's consent form (User Messaging Platform) collects the following data from your device and sends it to Google, encrypted in transit:

Data (as named in Google Play's Data safety section)What it means
Location → Approximate locationyour approximate location, worked out from your IP address
App activity → App interactionshow you interact with the ads (for example, that an ad was shown or tapped)
App info and performance → Diagnosticsdiagnostic information about how the ads load and perform
Device or other IDs → Device or other IDsyour device's advertising ID and similar device identifiers

It is used for advertising or marketing, analytics and fraud prevention, security and compliance. This collection is needed for the ads to work, so it cannot be switched off inside the game; whether ads are personalised is your choice (below). How Google uses this data: policies.google.com/technologies/partner-sites.

Your consent. In the European Economic Area, the United Kingdom and Switzerland, and where other laws require it, Google's consent form asks for your choice before personalised ads are shown. You can change that choice at any time from the game's Settings → Privacy choices. You can reset or delete your advertising ID at any time in your device's Android settings. Ads in the game are limited to Google's PG (parental guidance) content rating.

In-app purchases (Google Play)

Coin packs, the Adventurer's Bundle, Break the Hoard and Remove Ads are sold through Google Play Billing. Payment is handled entirely by Google under your Google account, which also keeps your purchase history; we never see your name or payment details. The game keeps Google's purchase token (a receipt code) on your device so that each purchase is credited exactly once, and Settings → Restore purchases asks Google Play for the one-time purchases your account owns.

Data on your device

Your progress (levels, stars, coins, boosters, heroes, tile styles, settings and purchase receipts) is saved on your device in the game's own storage. It is not sent to us. Uninstalling the game, or clearing its storage, deletes it.

Device backup

If Android backup is turned on, Android may include the game's save in your own device backup, so it can come back on a new phone. That backup is handled by Google under your Google account, not by us, and you can turn it off in Android's settings.

What the game does not do

Android permissions: internet and network state (ads and purchases), the advertising ID (ads), billing (purchases) and vibration (haptics).

Children

The game is meant for players aged 16 and over and is not directed at children. We do not knowingly collect information from children.

Your choices and rights

Reward videos are optional; the ads between levels can be removed with the Remove Ads purchase; your consent choice can be changed as described above. Because we hold no data about you, there is nothing for us to access, export or delete; for data held by Google, use Google's privacy tools (myaccount.google.com). You may also complain to your data-protection authority.

Changes

If a future version handles personal data differently, this policy will be updated before that version is released, and the date above will change.

Contact

Questions about this policy: mahjongrealms@gmail.com