Case closed!It is not possible to have a top level menu item. You can simulate it with workarounds as described in this thread, https://www.b4x.com/android/forum/threads/menu-click-callback.113906/post-711338 neither of which allow shortcuts to be added directly.
Yes that is one of the workarounds in the link I gave, I'm not sure it's possible to set the accelerator key for that though.As a matter of fact you can