mohamed you can post here screenshots of things that you can't understand so we can translate it in English.
You have to set preferences of singlemenu just one time and then you may never open it.
Players and software used in singlemenu mostly have English interface. Even if not - you can replace it with another. For example you can use Nitrogen (English) instead of SinglePlayer (Russian) for mp3 playback. Singlemenu has option that allow to select players for use.
