Perfect Viewer is a very fast picture / comic / ebook viewer. It supports 3 view modes: page mode, vertical scroll mode (PDF viewer, such as webtoon) and horizontal scroll mode.
* Support left to right and right to left reading
* Set image as wallpaper
* Browse the image in the folder / archive as a thumbnail
* Library function
* Support pinch gesture to zoom and throw
* Simple bookmark function
* My favorites management
* Cache the next and previous page
* Simple file management (delete, rename)
* Supports extracting files from the archive
* Adjust the brightness, contrast and gamma of the image
* White border cut automatically.
* Support Google Chromecast
Supported Android Devices : [4.0.3–4.0.4] Ice Cream Sandwich - [4.1–4.3.1] Jelly Bean - [4.4–4.4.4] KitKat - [5.0–5.0.2] Lollipop - [6.0 - 6.0.1] Marshmallow - [7.0 – 7.1.1] Nougat - [8.0-8.1] Oreo -  Pie