Add privacy policy for Google Play and F-Droid publishing

PRIVACY_POLICY.md

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+# Privacy Policy
+
+**KaRemote** — Remote control for Karadio32
+Last updated: 2026-02-13
+
+## Overview
+
+KaRemote is a free and open-source Android application licensed under the GNU General Public License v3.0 or later. This privacy policy explains what data the app accesses and how it is handled.
+
+## Data Collection
+
+**KaRemote does not collect, store, or transmit any personal data.** The app does not include any analytics, tracking, advertising, or telemetry services.
+
+## Network Access
+
+The app requires the INTERNET permission for the following purposes only:
+
+- **Karadio32 communication** — The app sends HTTP requests to a Karadio32 device on your local network at an address you configure manually. This communication stays within your local network.
+- **RadioBrowser.info API** — The app queries the public RadioBrowser.info API to search for radio stations and retrieve station metadata (names, icons, genres). No personal information is sent in these requests.
+
+## Local Storage
+
+The app stores the following settings locally on your device using Android DataStore Preferences:
+
+- Karadio32 server address (as entered by you)
+- Theme mode preference (light/dark/system)
+- Color theme preference
+
+This data never leaves your device.
+
+## Third-Party Services
+
+The app does not use any third-party services that collect user data. The only external service contacted is the public [RadioBrowser.info](https://www.radio-browser.info/) API.
+
+## Permissions
+
+| Permission | Purpose |
+|---|---|
+| `INTERNET` | Communicate with Karadio32 device and RadioBrowser.info API |
+| `ACCESS_NETWORK_STATE` | Check network availability |
+
+## Children's Privacy
+
+The app does not knowingly collect any information from anyone, including children under the age of 13.
+
+## Changes to This Policy
+
+Any updates to this privacy policy will be reflected in this document and in the source code repository.
+
+## Contact
+
+If you have questions about this privacy policy, you can reach the developer via the source code repository:
+[https://git.bugsy.cz/beval/karemote](https://git.bugsy.cz/beval/karemote)
+
+## Source Code
+
+KaRemote is open source. You can review the complete source code to verify these claims:
+[https://git.bugsy.cz/beval/karemote](https://git.bugsy.cz/beval/karemote)