Descriptions : Perfect Viewer is a very fast image/comic/ebook viewer.
+ eEook file format support: EPUB, HTML, TXT
+ Supports image file formats: JPEG, PNG, GIF, BMP, WebP, TIFF
+ Supported archive file format: CBZ/ZIP, CBR/RAR, 7Z/CB7, LZH, CBT/TAR
+ Support PDF, XPS and DJVU files after installing PDF plugin
+ Open file from network file share (CIFS/SAMBA), FTP, SFTP, FTPS, OPDS
+ Internet permission required for CIFS/SAMBA support.
+ Require "GET_ACCOUNTS" and "USE_CREDENTIALS" permission for Google Drive support
+ Smooth filters: averaging, bilinear, bicubic, Lanczos3;
+ Supports reading from left to right and right to left
+ Set image as wallpaper
+ Browse image in folder/archive as thumbnail
+ Bookshelf function
+ Pinch to Zoom & Fling gesture support
+ Simple bookmark function
+ Management of my favorites
+ Cache next and previous page
+ Easy file management (delete, rename)
+ Supports extracting files from archive
+ Adjust image brightness, contrast and gamma
+ White border cut off automatically.
+ Google Chromecast support
+ balloon magnifier
Required Android Versions : Ice Cream Sandwich [4.0.3–4.0.4] - Jelly Bean [4.1–4.3.1] - KitKat [4.4–4.4.4] - Lollipop [5.0–5.0.2] - Marshmallow [6.0 - 6.0.1] - Nougat [7.0 – 7.1.1] - Oreo [8.0-8.1]