MCalendar w Calendar Widgets is a free Android productivity application designed to display daily schedules, events, and hand-drawn notes in a traditional Hong Kong-style calendar format. It features a lunar calendar with 24 solar terms, allowing users to keep track of important dates according to traditional Chinese practices. The app includes widgets for daily and month views, which can showcase the lunar calendar, Chinese almanac, daily schedules, and holidays, with holidays highlighted in red for easy visibility.

Recent updates have enhanced the app's functionality, such as the ability to import old drawing notes and add stickers for drawing notes. Users can easily share images to import notes from previous versions, making it convenient to transition to the latest updates. MCalendar is particularly useful for those looking to integrate traditional calendar methods with modern technology, providing a unique and customizable scheduling experience.