Hljoth (com.gmail.kanitawa.hljoth) on Google Play
"Hljoth" is a application for setting a 'manner mode' and 'sound volumes'."Hljoth" can create 'shortcuts' to set a 'manner mode' and 'sound volumes'.For example, 'Open dialog for set manner mode or sound volumes','Set manner mode to normal (or vibration, silent) directly','Toggle manner mode between normal and vibration', 'Set volume to zero (or maximum) directly'...