GMAndroid/app/src/main/res/menu/menu.xml

<?xml version="1.0" encoding="utf-8"?>
<menu xmlns:android="http://schemas.android.com/apk/res/android">
    <item
        android:id="@+id/pop_menu_share"
        android:title="@string/pop_menu_share" />
    <item
        android:id="@+id/pop_menu_about"
        android:title="@string/pop_menu_about" />
    <item
        android:id="@+id/pop_menu_sponsors"
        android:title="@string/pop_menu_sponsors" />
    <item
        android:id="@+id/pop_menu_settings"
        android:title="@string/pop_menu_settings" />
</menu>