integrated web browser with adjustable behavior + external browser support,.open-source development model based on GNU GPL license, version 3,.ability to hide list of feeds/categories,.fully skinnable user interface + ability to create your own skins,.KFeanza-based default icon theme + ability to create your own icon themes,.hideable main menu, toolbars and list headers,.ability to check for updates on all platforms + self-updating on Windows,.fully adjustable toolbars (changeable buttons and style),.feed authentication (Digest-MD5, BASIC, NTLM-2),.printing of messages and any web pages,.ability to backup/restore database or settings,.

full support of podcasts (both RSS & ATOM),.ability to discover existing feeds on websites,.“portable” mode support with clever auto-detection,.is able to specify target database by its name (MySQL backend),.enhanced feed auto-updating with separate time intervals,.ability to cleanup internal message database with various options,.Google-based auto-completion for internal web browser location bar,.feed metadata fetching including icons,.message filter with regular expressions,.downloader with own tab and support for up to 6 parallel downloads,.import/export of feeds to/from OPML 2.0,.support for online feed synchronization via plugins,.

For android instal RSS Guard 4.4.0