Harmonic for Hacker News is an Android client designed to provide a straightforward and easy-to-use interface for browsing Hacker News. Developed by Simon Halvdansson, this client offers a dark theme material design that is both pleasing to the eyes and functional.

One of the top features of this client is the ability to log in and comment or vote on posts. Users can also swipe away from comments view and search posts with ease. The app supports tablet use and allows users to expand or hide child comments. Users can switch between Top/Best/New categories and the comment loading speed is fast.

Harmonic for Hacker News also offers support for HN polls, share and bookmark posts, and import/export bookmarks. Users can opt for an AMOLED dark mode and filter posts. Additionally, users can hide job posts and choose to display or hide thumbnails.

Please note that Harmonic for Hacker News is not affiliated with Y Combinator.