DashClock Birthday Extension is a free personalization app for Android devices by nicopico. This app allows you to display upcoming birthdays from your contacts in the DashClock Widget. It is important to note that this extension does not read your calendar events, but only the birthday dates set in the Contacts/People application.

To use this extension, you need to have the DashClock Widget by Roman Nurik installed on your Android device. Once installed, you can easily add the DashClock Birthday Extension to display upcoming birthdays on your home screen. The app is available for free on the Google Play Store.

Overall, the DashClock Birthday Extension is a useful tool for those who want to keep track of upcoming birthdays of their contacts. The app is easy to use and does not require any complicated setup. The source code is also available on GitHub for those who are interested in customizing the app.