What is the Polish Calendar application, how does it work?

According to the introduction of Agus Haryanto, Polish Calendar is a Productivity app on the Android platform. There is currently a 1.14 version released on Jan 08, 2018, you can see the details below.

Poland calendar holidays 2017 - 2020
You can see the calendar as the calendar on the wall
- Fitur to the calendar change the image and adjust the height
- Calendar set Fitur image from the camera
- Start Kit day (Monday or Sunday
) - to implement a new fresh user interface
- Memo to add a function icon birthday, love, job

- Implementacja pokazuje domyślne różne obrazy dla różnych miesięcy.
- Dodaj menu, aby przejść do określonej daty.
- Zmień układ menu.