Kalender 2020 is a free Android application developed by zoel009. It is a comprehensive calendar app that is specifically designed for Indonesian users. The app is equipped with all the necessary features that a user might need in a calendar application.

The app is capable of storing important notes and reminders. It has an attractive user interface that makes it easier to navigate. The app also includes a list of national holidays in Indonesia for the year 2020.

Kalender 2020 offers a variety of background options to choose from. Users can select from different categories such as nature, animal nature, extreme sports, and techno. This feature allows users to customize the app according to their preferences.

Overall, Kalender 2020 is a reliable and user-friendly calendar application that caters to the needs of Indonesian users.