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Privacy Policy — Solitaire Grove
Android game, package com.bumustudios.solitairegrove
Effective date: 9 October 2026. Last updated: 9 October 2026.
No account, and your games stay on your phone. There is no sign-in and no server belonging to this game. The game does not read your files, your photos or your contacts — it never asks for a single storage permission. Every deal, every hint and the solver that finds a winning line are computed on your phone, offline.
What does leave your phone is described in full below: Google's advertising and payment services, the advertising partners Google may hand an ad request to, and the usage statistics and crash reports that the developer collects through Google Firebase. If you buy the one-time ad removal, the interruptions stop; the only ads left are the optional ones you can choose to watch for Solve path or for a rewind to a winnable position.
Who this policy is from
This policy covers the Android game Solitaire Grove, distributed through Google Play
under the package name com.bumustudios.solitairegrove. It is written by the game's
independent developer, BumuStudios. Questions can be sent to the address in
Contact.
What the game is
Solitaire Grove is a collection of three solitaire card games: Klondike (draw 1 or draw 3), Spider (1, 2 or 4 suits) and FreeCell. Every deal comes from a built-in catalogue of deals that the game's solver has already won, so each one can be won. Undo is unlimited and free, there is a daily deal for each game, and statistics are kept for every variant. No account, no subscription, no energy system.
The game runs entirely on your device
This is the most important section, so it is stated plainly:
- Your moves and your statistics are not uploaded. The game has no backend of its own. Your games, your statistics and streaks and your deal in progress are not transmitted anywhere and there is no online leaderboard. The usage statistics described below record when the game is opened, which screens are shown and for how long — never your moves, your deals or your statistics.
- The deals and the daily deal need no server. The catalogue of deals is part of the game itself, and the daily deal is chosen on your device from the date, so everyone gets the same cards on the same day without any network request.
- Hints and Solve path are worked out on your phone. The free hint and the solver behind Solve path and "Rewind to a winnable position" run on your device. The position of your cards is never sent anywhere to be solved.
- The game reads no files. It requests no storage, camera, microphone, contacts, location or notification permission — not on any Android version.
- Updates go through Google Play. The game asks the Google Play Store on your phone whether a newer version is available and, if there is one, offers to download it (Google Play In-App Updates). No game data is involved.
What the game stores locally
The game keeps a small amount of state in its own private storage on the device. None of it is personal information, and none of it is sent anywhere:
- your theme, text size, language, sound and vibration choices, the Large cards, automatic moves to the foundations and left-handed layout settings, and your Klondike draw and Spider suit choices;
- your statistics for each variant (games played and won, streaks, best time, fewest moves) and your daily-deal records and streaks;
- the deal in progress, saved after every move as the deal and the list of your moves, so it can be resumed — with its undo history — after a restart;
- which catalogue deal comes next in each variant, and a random number created when the game first deals, which shuffles the order of the deals on this installation;
- whether the one-time "remove ads" purchase is active;
- a counter of how many interstitial ads have been shown, used for the ad-free first deals described below.
Your settings, statistics, streaks, daily-deal records and the deal in progress are included in Android's backup and in device-to-device transfer, so a new phone does not wipe your wins and streaks. Android stores that backup in your Google account; you can turn backup off in your phone's settings. The purchase flag and the ad counter are deliberately left out of backup and transfer, and so is all of the storage in which Google's advertising, consent and Analytics components keep their own settings — consent is asked for again on a new device, and the purchase is restored from Google Play. The Google Firebase components described below also keep three random identifiers in the game's private storage: a Firebase installation ID, the Analytics app-instance ID and a Crashlytics installation ID. Unlike the list above, these identifiers travel with the usage statistics and crash reports. You can clear your statistics yourself with Reset statistics on the Statistics screen. Uninstalling the game or clearing its data removes everything the game has stored on the device, these identifiers included.
Advertising — Google AdMob and its mediation partners
The game is free and is supported by ads served through Google AdMob (Google Ireland Limited / Google LLC, depending on your region). AdMob is embedded in the game as a software development kit, and it does collect data, independently of the developer. When ads are served, AdMob and Google's advertising partners may collect and process:
| Data | Used for |
|---|---|
| Advertising ID (a resettable identifier assigned by Android) | Ad serving, frequency capping, ad measurement, fraud prevention |
| Approximate location — coarse, derived from your IP address, not GPS | Serving ads relevant to your country or region, and legal compliance |
| Device information — model, operating system version, language, screen and network characteristics | Rendering ads correctly, ad measurement, fraud prevention |
| App interaction events — that an ad was requested, shown, clicked or closed | Ad measurement, billing advertisers, fraud prevention |
Mediation partners
The game also contains the software development kits of six other advertising networks, which AdMob can use through its mediation feature: AppLovin, Unity Ads, Liftoff Monetize (formerly Vungle), Meta Audience Network, Mintegral and Pangle. When the game asks for an ad, AdMob may pass the request to one of these partners, and the partner that serves the ad then receives the same categories of data listed in the table above — advertising ID, approximate location derived from your IP address, device information and ad interaction events — and processes them under its own privacy policy. Your consent choices (below) reach these partners through the industry-standard consent signal that Google's consent form stores on your device. The game itself sends nothing to them directly.
The game does not request GPS or precise location permission, and it does not send your moves, your deals or your statistics to AdMob or to any partner. The developer receives no personal data from AdMob or its partners — only aggregated, anonymous reporting such as impression and revenue totals.
Where ads appear
Because ads require an advertising identifier, the game declares the
com.google.android.gms.permission.AD_ID permission. These are the ad formats, exactly
as the game uses them:
- Banner — an adaptive banner at the bottom of the Home and Statistics screens. There is no banner on the game screen.
- Interstitial — only when you leave a finished deal: after a win (New deal, Replay this deal or Back to home) or from the "No more moves" card (New deal or Back to home). The first two of these occasions after installation show no ad, and an interstitial is never shown within 45 seconds of another full-screen ad. No interstitial appears in the middle of a deal.
- Rewarded — Solve path. The Solve path button appears in the game only when an ad is ready. When you tap it, the game first looks on your device for a winning line from your current position; if it finds none, no ad is shown, you are told so, and the button is withdrawn for that position. If it finds one, the ad plays, and once you have watched it the Hint button turns into step-by-step guidance from the solver ("Next step") for the rest of that deal, also if you restart the same deal. The basic hint is always free.
- Rewarded — Rewind to a winnable position. When the "No more moves" card appears, it can offer this option, marked "Watch a short ad", but only when an ad is ready and you have made at least one move. After the ad, the game goes back to the latest position from which its solver can win the deal; if that is your current position or the opening of the deal, Solve path is switched on as well. Undo, Restart this deal and New deal on the same card are always free.
- App-open — an ad that may appear when you come back to the game after switching away from it, never when you first launch it, and only if no full-screen ad has been shown in the previous four hours.
Rewarded ads play only when you tap their button. The game loads ads in advance so that they are ready when needed.
How Google and its partners handle this data is governed by their own policies, not by this one:
- Google Privacy Policy
- How Google uses information from sites or apps that use our services
- AdMob and third-party advertising
- AppLovin Privacy Policy
- Unity Game Player and App User Privacy Policy
- Liftoff Privacy Policy
- Meta Privacy Policy
- Mintegral Privacy Policy
- Pangle Privacy Policy
Usage statistics and crash reports — Google Firebase
To see how the game is used and to find and fix crashes, the developer has built two Google Firebase services into it: Google Analytics for Firebase and Firebase Crashlytics. Google provides them as the developer's data processor, and they are active only in the version of the game distributed through Google Play. The game adds nothing of its own to what they collect — no custom events, no user ID or user properties, no custom keys or log messages — so only their automatic collection applies:
| Data | Used for |
|---|---|
| App-instance ID — a random identifier that Analytics creates for this installation | Counting installations and sessions without knowing who you are |
Advertising ID — the resettable identifier described above, available to Analytics
because the game declares the AD_ID permission for AdMob |
Usage statistics; use for advertising only as far as your consent choices allow (below) |
| Approximate location — country or region, derived from your masked IP address, not GPS | Statistics by country and region |
| Device and game information — device model, operating system version, language, game version | Statistics by device, Android version, language and game version |
| Usage events — first open, sessions, screens viewed, engagement time, updates and removal of the game | How many people use the game, how often and for how long, and which screens they open |
| How the game was installed — the Google Play install referrer (for example the store listing or a campaign link) | Counting where installations come from |
| Purchase events reported by Google Play — product, name and price of the one-time "remove ads" purchase | Counting purchases; no card or payment details are included |
| Crash reports, sent only when the game crashes or hits a fatal error — the stack trace, the state of the app at that moment (for example whether it was in the foreground), device details (model, operating system version, orientation, free memory and disk space) and a random Crashlytics installation ID | Finding and fixing crashes, and counting how many installations a crash affects |
Analytics records that a screen was shown and for how long, not what you do on it, and a crash report shows where in the code the crash happened, not your cards or your moves. Neither service receives your name, your email address or any account details.
In the EEA, the UK and Switzerland, the consent form described below under "Your advertising choices" also covers Analytics: your choices there decide whether Analytics may store its identifiers on your device and whether the data may be used for advertising. Use of the data for advertising ("ad user data") and for ad personalisation stays off there until you consent. You can change your choice at any time from Settings → Privacy options; the entry appears where it is required. The game has no separate switch for the usage statistics or the crash reports; uninstalling it stops both.
Analytics keeps data linked to an installation's identifiers for no longer than 14 months; aggregated reports that contain no identifiers may be kept longer. Crashlytics keeps crash reports for 90 days.
Google processes this data on the developer's behalf, as its data processor, under the Firebase and Google Analytics data processing terms. It may be processed on Google's servers outside your country, including in the United States, and it is encrypted in transit (TLS).
Google describes these services here:
Purchases — Google Play Billing
The game offers one optional, one-time, non-consumable purchase, Remove ads in Settings, that permanently removes the interrupting ads. There is no subscription and nothing recurring. Solve path and Rewind to a winnable position remain available after the purchase — their ads only ever play when you ask for them.
The transaction is handled entirely by Google Play Billing. The developer never sees or receives your card number, bank details, billing address or full name. Google Play reports only aggregated sales figures, and Google Analytics for Firebase records that a purchase was made — product, name and price, with no payment details (see above). Inside the game, the purchase is recorded as a single true/false flag on your device, restored from your Google Play account when you reinstall or move to a new device.
Google's handling of payment data is covered by the Google Privacy Policy and Google Play's terms.
Your advertising choices
If you are in the EEA, the UK or Switzerland
Before personalised ads are requested, the game shows a consent form built with Google's User Messaging Platform, where you choose what you allow, including for the mediation partners listed above. No ad is requested until this step is complete. Your choice is stored on your device by Google's component and is respected on later launches.
You can change your decision at any time: open the game, go to Settings → Privacy options, and the same form reappears. You may withdraw consent there. Withdrawing consent does not disable the game; you can keep playing, and ads may still be shown in a non-personalised form. The same choices also apply to Google Analytics for Firebase, as described above.
If you are in a US state with a privacy law
Where a US state privacy law applies, the same Google consent tooling handles your choices: where required, Settings → Privacy options lets you opt out of the sale or sharing of your personal information for targeted advertising.
Everywhere else
The privacy options entry appears only where a consent choice is legally required, so you may not see it. You can still control advertising at the operating-system level: open Android Settings → Privacy → Ads (the exact path varies by manufacturer and Android version) to reset your advertising ID, or to delete it entirely, which stops apps from receiving a stable advertising identifier.
Removing ads completely
Buying the one-time ad removal stops the banner, interstitial and app-open ads altogether. The only ads left are the rewarded ones for Solve path and Rewind to a winnable position, which play only when you tap their button; the game loads one in advance so that it is ready.
Permissions the game requests
INTERNET— required to fetch ads, to communicate with Google Play Billing and to send the usage statistics and crash reports described above. Nothing else is sent over the network.ACCESS_NETWORK_STATE— lets the ad components check whether a connection is available before trying to load.com.google.android.gms.permission.AD_ID— access to the advertising identifier, used by AdMob, its mediation partners and Google Analytics for Firebase as described above.
These are the permissions the game declares itself. The Google components and advertising partners' SDKs built into it add a few more that Android grants at installation without asking you — Google Play's billing, licence-check and install-referrer permissions, Android's advertising-services permissions, and permissions to check the Wi-Fi state, keep the device awake briefly, vibrate and run a foreground service. The game requests no storage, camera, contacts, microphone, location, notification or account permissions on any Android version.
Children
This is a general-audience game. It is not directed at children under 13 (under 16 in the EEA, or the equivalent minimum age in your country), it is not listed in a children's category, and it is not designed for or marketed to children. The developer does not knowingly collect any personal information from children. If you believe a child has provided personal information through the ad, analytics or crash-reporting services in this game, contact the address below and contact Google, whose services would hold it.
Data retention
The developer runs no server and keeps no user data of its own. The usage statistics and crash reports are held by Google on the developer's behalf: Analytics data linked to an installation's identifiers for no longer than 14 months (aggregated reports without identifiers may be kept longer), and crash reports for 90 days. Data held on your device stays there until you reset your statistics, clear the game's data or uninstall it; a copy in your Android backup follows your Google account's backup settings. Data collected by Google through AdMob and Google Play, and by the mediation partners, is retained according to their own retention schedules, described in the Google Privacy Policy and in the partners' policies listed above.
Legal bases and your rights
Where the GDPR (EU/UK) applies, the legal basis for personalised advertising is your consent, collected through the form described above and withdrawable at any time. Non-personalised advertising, fraud prevention and the security of the ad services rely on legitimate interests. Processing your purchase is necessary to perform the contract you enter when you buy ad removal. The usage statistics and crash reports rely on the developer's legitimate interest in keeping the game working and understanding, in aggregate, how it is used; storing Analytics identifiers on your device and any advertising use of the data follow your choices in the consent form.
Under the GDPR, and under Turkey's KVKK (Law No. 6698) on equivalent terms, you have the right to ask whether your personal data is processed, to access it, to have it corrected or erased, to restrict or object to its processing, to data portability, and to withdraw consent. You may also lodge a complaint with your national data protection authority — in Turkey, the Kişisel Verileri Koruma Kurumu (KVKK).
The usage statistics and crash reports are pseudonymous: they carry random identifiers, never your name or email address, so the developer cannot tell which records are yours. Where the consent form is shown, you can withdraw consent at any time in Settings → Privacy options, and you can object to this processing, or ask about it, by writing to the address below. Resetting your advertising ID in Android's settings, or deleting it, breaks the link between future ad requests and past ones. Uninstalling the game or clearing its data ends the link to the old Firebase identifiers, and data already sent then expires on the schedule above. Requests concerning advertising data must be directed to Google or to the mediation partner as the party that holds it, using the tools in their privacy policies listed above. For anything else, or for help finding the right route, write to the address below.
Security
Everything the game stores sits in its private app storage, which Android keeps out of reach of other apps. The usage statistics and crash reports are sent to Google encrypted in transit (TLS), and the advertising SDKs' connections are secured under their providers' own practices, described in the policies linked above. The developer holds no copy of your data, so there is no developer database that could be breached.
Changes to this policy
If the game's data practices change — for example if a new third-party service is added — this page will be updated and the "last updated" date at the top will change. Material changes will also be reflected in the game's Google Play listing. Continuing to play after an update means you accept the revised policy.
Contact
For any question about this policy or about privacy in this game, write to:
This is the same address listed on the game's Google Play page. Bug reports, privacy questions and data requests all reach us here.