To use DFNDR's flashlight, simply access the Floating Window on your home screen.
Tap on the flashlight icon to turn it on. To turn it off, just tap on the same button.
You can also access the flashlight through DFNDR's widget in the notification bar.
This option is only available if either DFNDR's Floating Window or Widget on notification bar are active.
To learn how to activate the Floating Window, enter here.
To learn how to activate the Widget in the notification bar, enter here.