Pickcel console is a webapp through which content is published on signage screens. It consists of 8 modules, among which Screen, Media, Composition and Publish modules establish the complete cycle to publish content to the screen.
Screen : In this module, a screen can be added and managed. Please read
this article to know how to add a screen in Pickcel.
Media : Media files like image, video, PDF can be uploaded and apps can be managed from media module in Pickcel. Read
this article to get step by step instructions on how to add media.