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+# Gallery App Features Documentation
+
+## Album Management Feature
+
+### Overview
+The Album Management feature allows users to browse, organize, and manage their photo albums with advanced sorting and pinning capabilities.
+
+### Key Components
+- **AlbumsScreen.kt**: Main albums list screen
+- **AlbumsViewModel.kt**: ViewModel managing album state
+- **AlbumComponent.kt**: Reusable album card component
+- **PinnedDatabase.kt**: Room database for pinned albums
+- **InsertPinnedAlbumUseCase.kt**: Use case for pinning albums
+- **DeletePinnedAlbumUseCase.kt**: Use case for unpinning albums
+
+### Features
+- Album list display with thumbnails
+- Pin/unpin albums to top
+- Sort albums by:
+  - Date (Recent/Oldest)
+  - Name (A-Z/Z-A)
+- Quick access to Favorites and Trash
+- Album view with media grid
+- Persistent pinning with Room database
+
+### Implementation Details
+- Uses Room database for pinned album persistence
+- Implements Clean Architecture with Use Cases
+- Supports filter options with saved preferences
+- Glide preloading for album thumbnails