A lightweight offline reader for EPUB, PDF, TXT, and FB2.

Areada is a minimal offline Android reader focused on lightweight local reading.
It supports EPUB, PDF, TXT, and FB2 files with a clean monochrome interface, local folder access, saved reading progress, bookmarks, search, filters, and basic plain-text notes.
Features:
- EPUB, PDF, TXT, and FB2 support
- FB2 support for .fb2, .fb2.zip, and .fbz files
- Local plain-text notes
- Bookmarks and recent reading
- Saved reading progress
- Search and file-type filters
- Folder-aware filtering
- Reader themes, font options, and font size settings
- EPUB title, ToC, section navigation, and external link handling
- PDF rendering with support for visible annotations/callouts/highlights on supported Android versions
- PDF internal/external link handling with confirmation for external links
- Storage Access Framework folder picker
- Offline-only reading
- No internet permission
- No ads, analytics, tracking, accounts, or cloud sync
- No device-wide automatic scanning
WhatsNew:
- Archive files (.tar, .xz, .7z, .epub.xz and others) can now be opened directly from file managers by using sharing function.
- Added "Open previous chapter at end" option for easier navigation when moving backward through books.
- Redesigned library sorting panel with 5 clearer sorting modes and tap-to-toggle sort direction.
- Added reverse file type sorting.
- Fixed flickering on some devices.
- Fixed EPUB auto-rotate issues on older Android versions.
- Fixed guide popup title row scrolling a