Menu not implemented

Menu at top right shows entry Settings, but nothing happens at click.

LOG AUS ANDROID MONITOR:

01-19 12:11:29.089 1517-1517/? I/dalvikvm: Could not find method android.widget.PopupWindow.showAsDropDown, referenced from method android.support.v7.widget.AppCompatPopupWindow.showAsDropDown
01-19 12:11:29.089 1517-1517/? W/dalvikvm: VFY: unable to resolve virtual method 18629: Landroid/widget/PopupWindow;.showAsDropDown (Landroid/view/View;III)V
01-19 12:11:29.099 1517-1517/? I/dalvikvm: Could not find method android.support.v7.widget.ListPopupWindow$DropDownListView.drawableHotspotChanged, referenced from method android.support.v7.widget.ListPopupWindow$DropDownListView.setPressedItem
01-19 12:11:29.109 1517-1517/? W/dalvikvm: VFY: unable to resolve virtual method 14968: Landroid/support/v7/widget/ListPopupWindow$DropDownListView;.drawableHotspotChanged (FF)V
01-19 12:11:29.109 1517-1517/? I/dalvikvm: Could not find method android.view.View.drawableHotspotChanged, referenced from method android.support.v7.widget.ListPopupWindow$DropDownListView.setPressedItem
01-19 12:11:29.109 1517-1517/? W/dalvikvm: VFY: unable to resolve virtual method 17604: Landroid/view/View;.drawableHotspotChanged (FF)V
01-19 12:11:29.139 1517-1517/? W/EGL_emulation: eglSurfaceAttrib not implemented