彼らのハードボリュームキーを失ったものを助けるために、浮遊ボリュームコントロール。
A floating volume control to help those that have lost the use of their hard volume keys.
It will stay on the screen the whole time but can be closed if watching full screen video, then can be restarted like any normal app
It can be moved around the screen and positioned in the most useful place.