A small Widget that gives control of the screen brightness and the sound volume directly from your home screen.
https://play.google.com/store/apps/details?id=de.hinterhofapps.sliderwidget
If you want to translate Slider Widget to a language which doens't appears below, send me an email to sliderwidget@gmail.com and I will add the language.
The actual original language is GERMAN. I selected english here to provide a more widespread base language...