Readbook - Text Viewer 1.1.3

This application serves as a robust text file viewer designed for handling large-capacity files efficiently. Upon launching, the app promptly loads the last accessed file and offers an integrated Text-to-Speech (TTS) feature that enhances usability.

1. Explorer Functionality
   • The list interface includes diverse filtering and sorting options, along with a user-input word filter for tailored searches.
   • Users can rename or delete folders and files as needed.
   • With a single click, the app allows users to search for reviews of selected items on Google or Naver.
   • Integration with Google Drive facilitates easy file management.
   • Data can be accessed from an SD card, broadening storage options.
   • A file search function streamlines locating specific documents.
2. User-Centric Theming
   • The application provides 12 preset themes.
   • Customization options enable alterations to text color, background color, and font type.
   • Adjustments can be made to font size, line spacing, as well as margin settings (left, right, top, and bottom).
   • Readability is enhanced by compensating for spaces and line breaks; incomplete text displays are avoided.
3. Viewing Capabilities
   • The app supports both horizontal and vertical viewing modes.
   • Seamless page navigation enhances the reading experience.
   • Users can perform text searches within documents with ease.
4. Control Features
   • Pages can be navigated using volume keys, offering intuitive control.
   • A scrolling function further facilitates smooth movement through text.
   • Touch controls provide additional navigation options.
   • The app includes a feature to prevent automatic screen shutdown during use.
5. Text-to-Speech Options
   • The TTS feature allows users to modify the engine, voice type, speed, and volume settings.
   • A timer function is also supported for enhanced convenience.
6. Additional Features
   • The application remembers the last viewed file and its location for quick access.
   • A recent files list aids in navigation through previously opened documents.
   • The bookmark function provides users with a way to save important sections for later reference.

Users encountering errors or various inconveniences are encouraged to send inquiries via the side menu option in the application.

Permission Descriptions:

• File Reading Permission: Required to access files across all device paths.
• Access to All Files: As per Google policy from OS 11 onwards, 'File reading permission' has been replaced with 'Access to all files.'