Distinguish primary multi screen titles in header

osu.Game.Tests/Visual/Multiplayer/TestSceneMultiHeader.cs

@@ -23,7 +23,7 @@ namespace osu.Game.Tests.Visual.Multiplayer
             Children = new Drawable[]
             {
                 screenStack,
-                new Header(screenStack)
+                new Header("Multiplayer", screenStack)
             };
 
             AddStep("push multi screen", () => screenStack.CurrentScreen.Push(new TestMultiplayerSubScreen(++index)));

osu.Game/Screens/Multi/Header.cs

@@ -22,7 +22,7 @@ namespace osu.Game.Screens.Multi
     {
         public const float HEIGHT = 80;
 
-        public Header(ScreenStack stack)
+        public Header(string mainTitle, ScreenStack stack)
         {
             RelativeSizeAxes = Axes.X;
             Height = HEIGHT;
@@ -45,7 +45,7 @@ namespace osu.Game.Screens.Multi
                     Padding = new MarginPadding { Left = WaveOverlayContainer.WIDTH_PADDING + OsuScreen.HORIZONTAL_OVERFLOW_PADDING },
                     Children = new Drawable[]
                     {
-                        title = new MultiHeaderTitle
+                        title = new MultiHeaderTitle(mainTitle)
                         {
                             Anchor = Anchor.CentreLeft,
                             Origin = Anchor.BottomLeft,
@@ -80,7 +80,7 @@ namespace osu.Game.Screens.Multi
                 set => pageTitle.Text = value.ShortTitle.Titleize();
             }
 
-            public MultiHeaderTitle()
+            public MultiHeaderTitle(string mainTitle)
             {
                 AutoSizeAxes = Axes.Both;
 
@@ -98,7 +98,7 @@ namespace osu.Game.Screens.Multi
                                 Anchor = Anchor.CentreLeft,
                                 Origin = Anchor.CentreLeft,
                                 Font = OsuFont.GetFont(size: 24),
-                                Text = "Multiplayer"
+                                Text = mainTitle
                             },
                             dot = new OsuSpriteText
                             {

osu.Game/Screens/Multi/Multiplayer.cs

@@ -127,7 +127,7 @@ namespace osu.Game.Screens.Multi
                             screenStack = new MultiplayerSubScreenStack { RelativeSizeAxes = Axes.Both }
                         }
                     },
-                    new Header(screenStack),
+                    new Header(ScreenTitle, screenStack),
                     createButton = CreateNewMultiplayerGameButton().With(button =>
                     {
                         button.Anchor = Anchor.TopRight;
@@ -311,6 +311,8 @@ namespace osu.Game.Screens.Multi
 
         protected IScreen CurrentSubScreen => screenStack.CurrentScreen;
 
+        protected abstract string ScreenTitle { get; }
+
         protected abstract RoomManager CreateRoomManager();
 
         protected abstract LoungeSubScreen CreateLounge();

osu.Game/Screens/Multi/RealtimeMultiplayer/RealtimeMultiplayer.cs

@@ -62,6 +62,8 @@ namespace osu.Game.Screens.Multi.RealtimeMultiplayer
             return room;
         }
 
+        protected override string ScreenTitle => "Multiplayer";
+
         protected override RoomManager CreateRoomManager() => new RealtimeRoomManager();
 
         protected override LoungeSubScreen CreateLounge() => new RealtimeLoungeSubScreen();

osu.Game/Screens/Multi/Timeshift/TimeshiftMultiplayer.cs

@@ -51,6 +51,8 @@ namespace osu.Game.Screens.Multi.Timeshift
             return new Room { Name = { Value = $"{API.LocalUser}'s awesome playlist" } };
         }
 
+        protected override string ScreenTitle => "Playlists";
+
         protected override RoomManager CreateRoomManager() => new TimeshiftRoomManager();
 
         protected override LoungeSubScreen CreateLounge() => new TimeshiftLoungeSubScreen();