- Android PackageManager (Utility) 
              deals with various kinds of information related to the application packages that are currently installed on the device.
 
            - Android Support v4 (Development Framework) 
              The Android Support Library is not actually a single library, but rather a collection of libraries that can roughly be divided into two groups: compatibility and component libraries. For details, please see 
Understanding the Android Support Library.
 
            - AndroidX Activity (Utility) 
              provides the base Activity subclass and the relevant hooks to build a composable structure on top.
 
            - Android Jetpack Annotations (Utility) 
              library that contains the annotations for Android Jetpack.
 
            - AppCompat (Utility) 
              support newer Android features on older Android versions.
 
            - Biometric (Utility) 
              authenticate with biometrics or device credentials, and perform cryptographic operations.
 
            - Browser (Utility) 
              display webpages in the user's default browser.
 
            - Concurrent (Utility) 
              AndroidX library to help move tasks off the main thread with coroutines and take advantage of ListenableFuture.
 
            - Androidx Core (Utility) 
              a static library that you can add to your Android application in order to use APIs that are either not available for older platform versions or utility APIs that aren't a part of the framework APIs.
 
            - Android Emoji2 Compat (UI Component) 
              core library to enable emoji compatibility in Kitkat and newer devices to avoid the empty emoji characters.
 
            - Exifinterface (Utility) 
              a library to read and write image file EXIF tags.
 
            - AndroidX Fragment (UI Component) 
              AndroidX library to encapsulate part of the user interface or behavior into reusable components.
 
            - Lifecycle (Utility) 
              perform actions in response to a change in the lifecycle status of another component, such as activities and fragments.
 
            - Loader (Utility) 
              library to load data for your UI that survives configuration changes.
 
            - AndroidX Media (Utility) 
              share media contents and controls with other apps.
 
            - ProfileInstaller (Utility) 
              AndroidX library that enables libraries to prepopulate ahead of time compilation traces to be read by ART.
 
            - Android Activity Saved State (Utility) 
              provides the base Activity subclass and the relevant hooks to build a composable structure on top.
 
            - AndroidX Security (Utility) 
              AndroidX library to safely manage keys and encrypt files and sharedpreferences.
 
            - Startup (Utility) 
              AndroidX library to implement a straightforward, performant way to initialize components at app startup.
 
            - Swiperefreshlayout (UI Component) 
              implemtation of the swipe-to-refresh UI pattern.
 
            - AndroidX Test (Development Framework) 
              an extensive framework for testing Android apps.
 
            - Vectordrawable (UI Component) 
              AndroidX library to render vector graphics.
 
            - Android Jetpack VersionedParcelable (Utility) 
              Provides a stable but relatively compact binary serialization format that can be passed across processes or persisted safely.
 
            - Jetpack WindowManager Library (Utility) 
              enables application developers to support new device form factors and multi-window environments. The library provides a common API surface for API versions 14 and later. Especially provides additional functionality on foldable devices.
 
            - flutter_local_notifications (UI Component) 
              a Flutter plugin for displaying local notifications.
 
            - ExoPlayer (Utility) 
              an extensible media player library for Android
 
            - Google Core Libraries for Java 6+ (Utility) 
              a set of core libraries that includes new collection types (such as multimap and multiset), immutable collections, a graph library, functional types, an in-memory cache, and APIs/utilities for concurrency, I/O, hashing, primitives, reflection, string processing, and much more.
 
            - Tink (Utility) 
              a multi-language, cross-platform library that provides cryptographic APIs that are secure, easy to use correctly, and hard(er) to misuse.
 
            - Web Auth 2 for Flutter (Utility) 
              a Flutter plugin for authenticating a user with a web service.
 
            - File Picker (UI Component) 
              allows to use a native file explorer to pick single or multiple absolute file paths, with extensions filtering support.
 
            - Flutter InAppWebView Plugin (Utility) 
              allows to add an inline webview, to use a headless webview, and to open an in-app browser window.
 
            - OkHttp (Utility) 
              OkHttp is an HTTP+HTTP/2 client for Android and Java applications.
 
            - share_plus (Utility) 
               
            - Flutter (Development Framework) 
              a cross-platform development kit created by Google, based on the Dart programming language.
 
            - Image Picker plugin for Flutter (Utility) 
              a Flutter plugin for picking images from the image library, and taking new pictures with the camera.
 
            - local_auth (Utility) 
              Flutter plugin to provide means to perform local, on-device authentication of the user.
 
            - url_launcher (Utility) 
              a Flutter plugin for launching a URL.
 
            - kotlinx.coroutines (Utility) 
              library support for Kotlin coroutines.
 
            - Webkit Boundary Interfaces (Utility) 
              Chromium WebView helpers
 
            - XML Pull (Utility) 
              a minimalist API for easy building on top of it SAX, XML pull parsers.