bookend PDF Viewer

It is an application for displaying PDF files.
By calling this app when opening a PDF file from another filer app, you can display the PDF file.
Also, this app is required to open a PDF file from the bookend app.

*Due to changes in security specifications on Android 11 and above, PDF files cannot be opened directly from this app. Select and open this app when opening a PDF file from another filer app.

- View PDF
- Search in PDF
- View PDF Table of Contents
- Supports links in PDF
- Supports playback of videos (mp4) embedded in PDF
- Supports single page and spread (cover setting)
- Supports switching between right binding and left binding
- Support thumbnail display
- Support annotation function