CalendarLab calendar is a free Android application developed by muchogelito that offers a full month calendar widget that shows the next three events. The widget can be installed through the application, which allows you to choose the colors of the day. You can add notes on the selected day by touching it and selecting the menu (edit). The application also allows you to select other calendars to read their events. You can change the color of the selected day using the menu (change color). Import/export color settings and notes are also available as a backup on the SD card.

The widget is easy to use and provides a clear view of the month ahead, making it a useful tool for those who need to plan their schedule. The option to add notes on specific days is a convenient feature that allows you to keep track of important events or tasks. Overall, CalendarLab calendar is a helpful application for anyone looking for a simple and efficient way to manage their schedule on their Android device.