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Nim Privacy Policy

Last updated: October 28, 2026

This policy covers Nim: Matchstick Puzzle, the matchstick strategy game published by Can You Games. It applies to the Android app distributed on Google Play under the package name com.canyougames.nim.

The short version: we run no server, no accounts, and no analytics. Your stats and settings are saved on your phone and stay there. The one place data leaves your device is advertising: ads are served by Google AdMob, which uses your device’s advertising ID and related technical data to select and measure the ads you see.

Google Play Data safety summary

For anyone cross-checking this policy against the Data safety section of the Google Play listing:

  • Collected and shared for advertising: device or other identifiers (the Android advertising ID), IP address and the approximate region derived from it, device and app technical information, and your interactions with ads. This is collected by the Google AdMob SDK inside the app and shared with Google, which acts as an independent controller of it.
  • Collected by us: nothing. We do not receive your advertising ID, IP address, or any per-player data, only aggregate impression and revenue counts in the AdMob dashboard.
  • Game progress: stored on your device only, never transmitted anywhere.
  • Encrypted in transit: yes, ad requests use HTTPS.
  • Deletion: uninstalling the app or clearing its storage erases everything it saved. You can reset or delete the advertising ID at any time in Android Settings.

Advertising (Google AdMob)

Nim shows two kinds of ad:

  • A banner along the bottom of the menu screens. Never over the table while you play.
  • An occasional full-screen ad between games: at most once every three finished games and two and a half minutes, and never in the first minute and a half after you open the app.

To select, cap, and measure those ads, the AdMob SDK collects information from your device. In practice it includes:

  • The Android advertising ID, a resettable identifier assigned by the operating system for advertising.
  • Your IP address, and the approximate location (typically city or region) inferred from it. The app does not request GPS or any location permission.
  • Device and app technical data: device model, operating system version, language, screen size, the app’s package name and version, and network type.
  • Ad interaction data: which ads were requested, shown, closed or clicked, and coarse timing around those events.

This data goes to Google, not to us. Google uses it under its own terms, including to serve and measure ads across the apps and sites in its network, as described in the Google Privacy Policy and How Google uses information from sites or apps that use our services. Google may share ad requests with third-party bidders and measurement partners, listed on its ad technology providers page.

Nothing you do inside the game, such as your wins, streaks, or settings, is passed to an advertiser.

Where the law requires consent before personalised advertising (the EEA, the UK, and Switzerland), personalised ads are only requested after you agree. If you decline, you still see ads, but non-personalised ones chosen from general context rather than an interest profile. The game plays exactly the same either way.

Your choices about ads

  • Reset or delete your advertising ID. On most Android devices: Settings → Privacy → Ads. On Android 12 and later you can delete it outright, after which apps receive a string of zeroes instead.
  • Opt out of ad personalisation system-wide from the same Android settings screen, or across Google services at My Ad Center.
  • Play offline. Nim needs no network connection to play. With the device offline, no ad request is made and no ad data leaves the device.

What the game saves on your device

Nim keeps one save file, save.json, in its private app storage, the sandboxed directory Android gives every app, which no other app can read. While writing, it briefly uses save.json.tmp and keeps one previous copy as save.json.bak, so a crash mid-save cannot wipe your progress. The file holds:

  • Settings: sound, music, and vibration on or off.
  • Your table setup: last-match-wins or loses, pile layout, and whether you play with matches, candies or sticks.
  • Play statistics: games played, wins, losses, current and best streak, and your record against each opponent.

There is no name, device identifier, location or contact information in the file, and it is never transmitted. The AdMob SDK stores its own small amount of state on the device, such as your consent choice and frequency-capping data, under Google’s control rather than ours.

Permissions

The app declares VIBRATE, used for the short buzz when you take matches; you can turn it off in the game’s settings. For ads it declares INTERNET and ACCESS_NETWORK_STATE, and com.google.android.gms.permission.AD_ID, which Google requires for any app that reads the advertising ID. None of these trigger a permission prompt. There is no location, camera, microphone, contacts, storage or notification permission.

Other players

Every opponent is either one of the four computer characters or a friend playing on the same phone. There is no online play, chat, or global leaderboard, and nothing about your games is shared with other people.

What we don’t collect

  • No account, sign-in, email address, or username.
  • No name, phone number, address, or payment information.
  • No GPS or network location permission.
  • No analytics or telemetry of our own: no event tracking, no session recording, no crash-reporting SDK.
  • No in-app purchases, and no sale of personal information.

Children’s privacy

Nim is a general-audience puzzle game. It is not directed at children under 13 and is not enrolled in the Google Play Families programme. We do not knowingly collect personal information from children. Where a user is identified as below the applicable age of consent, ad requests are made non-personalised. If you are a parent with questions, email [email protected].

What Google Play collects

Separately from the game, Google Play collects data when you download or update any app: install and uninstall events, device model, crash traces the operating system reports, and whatever else Google’s policies describe. We see only aggregate, anonymised versions of some of this in the Play Console. That collection is Google’s, governed by the Google Privacy Policy.

Your rights (GDPR, CCPA, and equivalents)

We hold no personal data about Nim players, so there is nothing for us to disclose, correct, or export. To delete what the game saved on your phone, uninstall it, or go to Android Settings → Apps → Nim → Storage → Clear data. For data collected by AdMob, use the advertising ID controls above or contact Google through its privacy policy. You may lodge a complaint with your local data protection authority at any time.

Security

There is no player database to breach and no password to steal. The app is signed with a private release key and distributed through Google Play, which verifies package integrity on install. If you find anything that contradicts this page, report it to [email protected] with reproduction steps.

Changes to this policy

If Nim’s data practices change, for example online play, cloud saves, or a paid way to remove ads, this page will be updated before the version that introduces the change is released, and the “last updated” date at the top will move.

Contact

Nim is published by Can You Games. Questions about this policy go to [email protected]. For the policy covering canyougames.com itself, see the site privacy policy and the terms of use.