This simple calendar app helps you to know which day is national holiday and off day of
Country and Calendar Year:
Japan 2020

** Updated in 2020
What we focus is,
*Must be helpful to users
*As simple as possible
*Interface must be easy to understand at a glance
*Must have calendar week number
*Could zoom in and zoom out for elderly, and rotate to have a wide view
*Must be an app that users want to use