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i18n/zh-Hant/android.md

@@ -303,6 +303,26 @@ Auditor 通過下列方式鑑證和入侵檢測。
 
 ## 獲取應用程式
 
+### Obtainium
+
+!!! recommendation
+
+    ![Obtainium logo](assets/img/android/obtainium.svg){ align=right }
+    
+    **Obtainium** is an app manager which allows you to install and update apps directly from the developer's own releases page (i.e. GitHub, GitLab, the developer's website, etc.), rather than a centralized app store/repository. It supports automatic background updates on Android 12 and higher.
+    
+    [:octicons-repo-16: Repository](https://github.com/ImranR98/Obtainium#readme){ .md-button .md-button--primary }
+    [:octicons-code-16:](https://github.com/ImranR98/Obtainium){ .card-link title="Source Code" }
+    [:octicons-heart-16:](https://github.com/sponsors/ImranR98){ .card-link title=Contribute }
+    
+    ??? downloads
+    
+        - [:simple-github: GitHub](https://github.com/ImranR98/Obtainium/releases)
+
+Obtainium allows you to download APK installer files from a wide variety of sources, and it is up to you to ensure those sources and apps are legitimate. For example, using Obtainium to install Signal from [Signal's APK landing page](https://signal.org/android/apk/) should be fine, but installing from third-party APK repositories like Aptoide or APKPure may pose additional risks.
+
+Obtainium can also be used to download apps from F-Droid repositories, and may serve as a useful alternative to the official F-Droid clients. However, we generally recommend against apps built by F-Droid or from unofficial F-Droid repositories: Read [our notes on F-Droid](#f-droid) below for more information.
+
 ### GrapheneOS App Store
 
 GrapheneOS 應用商店可在 [GitHub](https://github.com/GrapheneOS/Apps/releases)找到。 它支持Android 12 以上版本，並且能夠自行更新。 該應用商店有 GrapheneOS 專案的獨立應用建制，如 [Auditor](https://attestation.app/)、[Camera](https://github.com/GrapheneOS/Camera)、 [PDF Viewer](https://github.com/GrapheneOS/PdfViewer)。 如果正在尋找這些應用程式，強烈建議從 GrapheneOS 應用程式商店而不是 Google Play 商店獲得，因為 GrapheneOS 會對自家商店的應用程式簽署 Google 無法訪問的簽名。

i18n/zh-Hant/tools.md

@@ -427,6 +427,7 @@ description: Privacy Guides 是最透明和可靠的網站，用於尋找保護
 
 <div class="grid cards" markdown>
 
+- ![Obtainium logo](assets/img/android/obtainium.svg){ .twemoji } [Obtainium (App Manager)](android.md#obtainium)
 - ![Aurora Store logo](assets/img/android/aurora-store.webp){ .twemoji } [Aurora Store (Google Play Client)](android.md#aurora-store)
 - ![Shelter logo](assets/img/android/mini/shelter.svg){ .twemoji } [Shelter (Work Profiles)](android.md#shelter)
 - ![Auditor logo](assets/img/android/auditor.svg#only-light){ .twemoji }![GrapheneOS logo](assets/img/android/auditor-dark.svg#only-dark){ .twemoji } [Auditor (Supported Devices)](android.md#auditor)