Hoy es el Día Mundial de -Todos los Dias Mundiales is a free reference app for Android devices developed by Handy Apps Spain. As the name suggests, it serves as a comprehensive guide to all the World Days celebrated globally. The app provides a complete list of all the world days, including the date, significance, and history of each day.

The app has a user-friendly interface that enables easy navigation and searching for specific days. It also has a feature that allows users to mark their favorite days and set reminders for them. This feature is particularly useful for those who want to celebrate important days or raise awareness about them. Overall, Hoy es el Día Mundial de -Todos los Dias Mundiales is an excellent reference app for anyone interested in learning about the world's significant days.