Australia Calendar 2021 is a free Android application developed by Agus Haryanto under the Business & Productivity category. It features a comprehensive calendar with holiday schedules from 2020 toUsers can create events or notes with icons and colors, set reminders, and create annual events. The application also allows users to personalize their calendar with their own image and select the first day of the week with either Sunday or Monday.

With the app's "Go Today" and "Jump to Specific Date" features, users can easily navigate through the calendar. Additionally, the app includes soccer schedules and shows public holidays in Australia. Users can change the image calendar from their gallery, and the app also provides a feature for setting reminder notifications for their events.

Overall, Australia Calendar 2021 is a useful application for individuals in Australia who need to stay updated on holiday schedules and events. The app's personalized features and reminder notifications make it easy to use and navigate.