Quite good

Please make text much more crisp, especially in dark themes. Or add a setting for this.
Also, please add font family selector to choose from all fonts installed in system, and from all font weights of the chosen font.
Bug: the app sometimes fails to load article web page, while the same site is loaded successfully in browser.

snusmumric about Newsflow: The No.1 News Ticker, v1.4.2