Biblio JCyL is an Android application developed by Consejería de Cultura y Turismo JCyL, falling under the category of Education & Reference, specifically in Books. This resource provides comprehensive information about Libraries Castilla y León, offering details about their facilities, activities, services, and bibliographic collections to all interested users.

The application integrates the main public library network, along with other centers within the region. Users can access a union catalog that describes collections available for lending, consultation, and includes heritage conservation materials, some of which are accessible in full text through the Digital Library of Castilla y León. Additionally, a selection of e-books is available via the Castilla y León eBiblio platform.