Written with C, just for fun.
You need to root your phone to use this program.
It's not an Android app because I haven't learned Java.
* Your warranty is now void.
* I am not responsible for anything that may happen to your device by using this program.
* You do it at your own risk and take the responsibility upon yourself.
* And you are not to blame the author or Github and its developers.
* This program has no Super Cow Powers.
It runs in termux, install termux in your phone first, and then:
pkg in git make clang tsu ndk-multilib-native-static
git clone https://github.com/Moe-sushi/glyph-timer-nothing_1
cd glyph-timer-nothing
make install
sudo gtimer -h [hours] -m [minutes] -s [seconds]