Privacy Policy

Best Lines for Android · Last updated: October 30, 2026

This policy explains what information the Best Lines app for Android phones and tablets (the “App”) uses, why, who it is shared with, and what choices you have.

Who is responsible

The App is developed by Bernard Bijoch, an independent developer based in Poland (“I”, “me”). I am the controller of personal data processed in connection with the App. You can contact me at any time at bbijoch@gmail.com.

In short

• There are no accounts and I run no servers for the App. I do not receive your name or contact details.
• Your games, scores, statistics and settings are stored on your device. If Android backup is on, they are included in your Google backup; if you use Google Play Games, your scores are sent to its leaderboards.
• The App uses Firebase (Google Analytics and Crashlytics) to understand how the App is used and to fix crashes. Where the law requires it, Google Analytics is used only with your consent.
• The free version shows banner ads from Google AdMob. Where the law requires it, the App asks for your consent first, and you can change your choice in the App at any time. You can remove ads with an in-app purchase.

Information stored on your device

The App saves your current game, best scores, game statistics, teleports and settings, such as ball colours and board size, on your device. This information is not sent to me. Deleting the App removes it from the device.

Google Play Games

If you use Google Play Games, the App signs you in automatically when you open it, submits your scores to Play Games leaderboards and your progress to Play Games achievements, and keeps your Play Games player identifier on your device to know which player’s scores it has already sent. The App also reads which achievements are already unlocked there, so that it does not reward the same achievement twice. Google Play Games is operated by Google under Google’s Privacy Policy. You can manage your Play Games profile, or stop using it, in the Google Play Games app or in your Google account settings.

Backup

If backup is turned on for your Android device, Android’s Auto Backup includes the App’s data, your games, scores, statistics, teleports and settings, in your device backup in your Google account, and can restore it when you reinstall the App or move to a new device. This backup is handled by Google under Google’s Privacy Policy; I have no access to it. You can turn backup off in your device’s settings.

Analytics and crash reports

The App uses Google Analytics for Firebase and Firebase Crashlytics. They record which features are used, such as starting a game or opening the help, game events such as completing a line, technical details of crashes, and may record that an in-app purchase was made (the product, without any payment details), together with a random identifier of your App installation, your device model, Android version, App version, language and approximate country derived from your IP address. I use this information to fix errors and improve the game. It is not linked to your name or contact details. Google processes it on my behalf under the Firebase data processing terms.

Your consent. If you are in the EEA, the UK or Switzerland, Google Analytics collects nothing until you answer the consent message described under Advertising, and then only for the purposes you agree to. Crash reports are collected regardless, because they are needed to keep the App working; they do not contain your advertising identifier.

User-level analytics data is kept for no longer than 14 months, and crash data for a limited time; see Firebase’s privacy information.

Advertising

The free version of the App shows banner ads provided by Google AdMob, a service of Google. If you buy the in-app purchase that removes ads, no further ads are requested.

To deliver ads, the Google Mobile Ads SDK may collect and process:

• your IP address, which can indicate your approximate location;
• device and operating-system information, such as model, system version, language and screen size;
• information about the App and about the ads you see and tap;
• your device’s advertising identifier (see below).

Google uses this data to show ads, limit how often you see the same ad, measure ad performance, detect fraud and abuse, and, where permitted, personalise ads. Google acts as an independent controller of this data under its own Privacy Policy. You can read how Google uses information from apps that use its services at policies.google.com/technologies/partner-sites and manage ad personalisation at myadcenter.google.com.

Consent in the EEA, the UK and Switzerland. When you open the App in these regions, it shows a consent message from Google’s User Messaging Platform, a consent management platform certified under the IAB Europe Transparency & Consent Framework. There you choose whether Google and its advertising partners may store and access information on your device, show you personalised ads and measure them, and whether Google Analytics may be used. No ads are requested before you answer. You can review or change your choices at any time with the privacy settings button (the hand icon) in the App’s main menu. If you do not consent, Google may show only non-personalised or limited ads, which are not based on your activity in other apps or on websites.

Advertising identifier. Google may use your device’s advertising identifier, a resettable identifier provided by Google Play services, for the purposes described above, within the choices you made in the consent message. You can reset or delete it at any time in your device’s settings (usually Settings › Google › All services › Ads, or Settings › Privacy › Ads); once it is deleted, apps can no longer use it.

In-app purchases

In-app purchases, removing ads and packs of teleports, are processed by Google Play. I do not receive your payment details; the App only learns whether ads have been removed and how many teleports to add. If the purchase that removes ads is refunded, ads come back.

Links and sharing

The button that rates the App opens its page in Google Play, under Google’s Privacy Policy. The share button opens Android’s share sheet with a link to the App’s page in Google Play; what you share, and with whom, is up to you and the app you choose, and the App does not see it.

Legal bases (GDPR)

• Storing your games and settings, including them in your device backup and submitting scores to Google Play Games are necessary to provide the game and the features you choose to use (Art. 6(1)(b) GDPR).
• In the EEA, the UK and Switzerland, Google Analytics, personalised ads and the storing of and access to information on your device for advertising are based on your consent given in the consent message (Art. 6(1)(a) GDPR and the ePrivacy rules). You can withdraw it at any time in the App’s privacy settings; this does not affect processing that took place before.
• Crash reports, and the delivery and measurement of non-personalised or limited ads where you have not consented, are based on my legitimate interests in keeping the App working, funding a free game and keeping ads safe (Art. 6(1)(f) GDPR). You can object to this processing at any time by contacting me, or stop it by deleting the App.

How long data is kept

Data stored on your device stays there until you delete the App; data in your device backup stays in your Google account according to Android’s backup settings. Analytics data is kept for no longer than 14 months, and crash data for a limited time described in Firebase’s privacy information. Data collected by Google for advertising and Google Play Games is retained according to Google’s retention policy.

Sharing and international transfers

The App shares data only with Google, as the Firebase, advertising, Google Play Games, backup and payment provider described above. Google is bound by its own privacy policy and data protection terms, which provide protection at least equal to that described in this policy. Google may process data outside the European Economic Area, including in the United States, relying on safeguards such as the EU–U.S. Data Privacy Framework and the European Commission’s Standard Contractual Clauses.

Your rights

If you are in the EEA, the UK or Switzerland, you have the right to access, rectify and erase your personal data, to restrict or object to its processing, to data portability and, where processing is based on consent, to withdraw it at any time. Because I do not keep your data on any server of my own, most of these rights can be exercised directly on your device, for example by changing the App’s settings or deleting the App, and with the Google tools linked above. You can withdraw or change your consent at any time with the privacy settings button in the App’s main menu. Firebase data is linked only to a random installation identifier, so I usually cannot find it from your request; deleting the App resets that identifier. For any request or question, write to bbijoch@gmail.com; I will reply within one month.

You also have the right to lodge a complaint with a data protection authority: in Poland, the President of the Personal Data Protection Office (UODO, ul. Stawki 2, 00-193 Warsaw), or the authority in the country where you live or work.

Children

The App is intended for a general audience and is not directed at children under 13, or under the age of digital consent in your country. I do not knowingly collect personal data from children. If you believe a child has provided personal data through the App, please contact me.

Security

Data saved by the App is kept in its private storage, protected by Android’s app sandbox and your device’s security settings. Firebase, Play Games and ad data are sent to Google over encrypted connections. No method of storage or transmission is completely secure, but the App keeps the data it handles to a minimum.

Changes to this policy

I may update this policy when the App changes. The current version is always available on this page, with the date of the last update at the top. If a change significantly affects how your data is used, I will also mention it in the release notes of the App.

Contact

Bernard Bijoch, Poland · bbijoch@gmail.com