Fullscreen Digital Clock

- Customizable text size
- Customizable time and date format
- Customizable background color, text color
- Charge display
- Built-nine kinds of fonts
- Brightness setting

1. Enter the APP anywhere long touch to open the setting dialog.
2. Time Formatting:
HH: hour (0-23)
hh: hour (1-12)
mm: minutes
ss: seconds
a: AM,PM

3. Date format setting:
yyyy: year
MM: month
dd: day
EEEE: Week (Monday)
EEE: Week (Mon)

fonts source:
Google Fonts (https://fonts.google.com/)
DSEG (http://www.keshikan.net/fonts-e.html)