The WP400 webOS box operates webOS 4.0, the enhanced user-friendly LG smart signage platform and is attached to existing LG digital signages and upgrades them regardless of their original platform. It can execute several tasks at once while providing smooth content playback and provides an excellent user experience. The WP400 may be applied towards any type of LG digital signages regardless of its platform. The webOS box provides user-friendly smart functions with dedicated menus essential for business use. This way, users are able to easily manage and distribute content or develop web-based applications for multiple signages simultaneously.