National What Day is a free lifestyle app developed by KST for Android users. The app is a fun and interactive way to keep track of all the "National Days" that have been declared. With National What Day, you can stay informed about all the unique and fun holidays that exist, such as National Pizza Day or National Hug Day.

The app provides a comprehensive list of national days, sourced from reputable websites like thenibble.com and thinkquest.org. You can search for specific days or browse through the list to discover new holidays. National What Day also provides fun facts and information about each day, making it an educational app as well.

National What Day has a simple and easy-to-use interface, making it accessible to users of all ages. The app also provides the option to customize notifications for specific national days, so you never miss an opportunity to celebrate. Overall, National What Day is a great app for anyone looking to add some fun and excitement to their daily routine.