What you can
・ Change your device language fast and easily
・ Minimum Advertisement make your stress minimum

How to use
Before use this, permit system permission by adb command like this.
"adb shell pm grant com.dogfeederz.localechanger android.permission.CHANGE_CONFIGURATION"
and tap language you want to change.

Function
Check language you use frequently, and open drawer.
you can find easy and faster.