Howdy pardner, for comicbooks I use Kahon which is basically Mihon but in F-droid repo. I like Voice for audiobooks, works a charm with .m4b files with chapters and pretty covers;
Privacy Browser I don't see mentioned often, it's a fantastically efficient android-webview-based browser, with built in Easylist blockers, and defaults to javascript off (and a single button to turn JS on): great for skimming a news article or opening a random link