This app is a widget that presents information from the church calendar:
1. date: ISO 8601 date
2. season - ordinary/advent/christmas/lent/easter
3. week - ordinal number of the season's week (the same you will find in liturgical books for the given day)
4. name of the weekday
5. celebrations for the day
6. colour - green/violet/white/red
To see the widget running on the home screen, add the widget there:
Press the Back key (in the upper-right corner of the emulator device) to return to the home screen (showing a watch face).
Swipe the home screen right until you see + Add widget. Select it.
Swipe right until you see your widget application. Select it.
More informations about widgets: https://www.youtube.com/watch?v=PTfne3rOF6g