Happy Birthday Dad is a free Android application developed by Ninawau Studio under the Social & Communication category. The app offers a collection of greeting cards and wishes for fathers on their birthdays. The app emphasizes the importance of fathers in our lives and how they contribute to our well-being. It contains various categories of greetings, including birthday wishes from family, wife, sons, daughters, and siblings. The app also features greetings for fathers who are no longer with us.

The app's user interface is simple and easy to navigate. Users can choose from a variety of greeting cards and wishes and send them to their fathers via social media or messaging apps. The app is a great way to show appreciation and love for fathers on their special day. The app also encourages users to leave constructive feedback and ratings for improvement purposes. Overall, Happy Birthday Dad is a thoughtful and convenient app for anyone looking to send birthday wishes to their fathers.