The Singapore Calendar 2022 app by Yuno Solutions is a free Android-based productivity application that helps Singaporeans keep track of all public holidays and school holidays in Singapore. The app is also equipped with the Chinese and Hijri lunar calendar, making it a comprehensive calendar app for Singaporeans of all backgrounds.

The app's user-friendly interface provides easy access to all the features, including a reminder feature, syncs with Google Calendar, date calculator, lunar calendar converter, interactive mode, and pan and zoom feature. Additionally, the app includes daily notes, making it a handy tool for keeping track of important dates and appointments.

Overall, the Singapore Calendar 2022 app is a must-have tool for Singaporeans looking to stay organized and on top of all the important dates and holidays in the country. The app is available for download for free on the Google Play Store, and it is compatible with Android devices running Android 4.1 and up.