KurobaEx is a fast Android app for browsing imageboards, such as 4chan and 8chan. It's a fork of Kuroba. This fork provides lots of new features:

New technological stack (Kotlin, RxJava/Coroutines, Room etc).

On demand content loading (includes prefetching, youtube videos titles and durations fetching, inlined files size fetching etc).

Third-party archives support.

New thread navigation (tabs).

New in-app navigation (bottom nav bar).

New bookmarks (they were fully rewritten from scratch, n