Komik: Comic CBZ Reader (Fast Lite Simple and Open Source)
It's 100% ad-free*

-Very fast comic detect and sync
-Requires low memory space
-User-friendly experience with modern design
-Open-source project and library (github.com/onursert/komik)

Settings
-Keep screen on when reading
-Automatic and fast comic sync on startup
-Rotation lock for portrait and landscape mode

Library Features
-Edit comics by changing the title
-Delete comics from the library or phone memory
-Search comics with title in the library
-View comic list with list view (1 grid for vertical orientation) or grid view (2 grid for horizontal orientation or tablets)
-Sort and show comics by title import time or open time
-Show or hide import time and open time on the interface

Comic Reader (Viewer) Features
-Save where I left feature
-Zoom in or out comic pages
-Jump between pages in a comic with the comic content list or seek bar
-Shows current page name and current page number/page count in seek bar

CBR support is coming soon
*It only contains BookPub and Leaf ads.