2.Jump to App Info by Dragging Icons to the Home Screen
This is another trick that is easiest on stock Android. If you need to jump to an application's settings, go to your app drawer, drag the icon to the home screen and you should see "App Info" appear at the top. Drag the icon to that and release. This will jump straight to that app's entry in the Settings app. Some skinned versions of Android don't support this, but many custom launchers do. If your phone doesn't support it and you want a launcher that does, Nova launcher is our pick.