BirthdayEvent is an Android app developed by sw_studio_jp that makes managing birthdays and events an absolute breeze. The app is completely free and falls under the category of Utilities & Tools.

The app is designed with user-friendliness in mind, making it easy for anyone to use. The app allows you to register people's birthdays and events, and it even has a feature that lets you trim facial parts in case you want to use a particular part of the face photo. Additionally, the app has an extensive library of illustrations that you can use to select a person's face. You can also add a memo for each person registered.

One of the most impressive features of this app is that even people who don't know their exact birth date can register their birthday. You can register only the month and day of birth, and the app allows you to group people by registration group. The app also has a filter function that you can use to easily search for a particular person or event.

Another great feature of BirthdayEvent is the ability to send email notifications for upcoming birthdays. The app also allows you to backup and restore birthday data, and it has a widget display function that gives you quick access to your upcoming events. The app also has a variety of exciting backgrounds and button skins that you can choose from to customize the app's appearance to your liking.