diff --git a/WINGs/Makefile.am b/WINGs/Makefile.am
index 88cc227..1d850de 100644
--- a/WINGs/Makefile.am
+++ b/WINGs/Makefile.am
@@ -99,7 +99,7 @@ else
 # symbols normally exported from *_x11.c files, so applications that
 # link libWINGs but never call them resolve cleanly in pure-Wayland
 # builds.
-libWINGs_la_SOURCES += wcolorpanel_wl.c wstubs_no_x11.c
+libWINGs_la_SOURCES += wappresource_wl.c wcolorpanel_wl.c wstubs_no_x11.c
 endif
 
 if USE_WAYLAND_CLIENT
diff --git a/WINGs/wappresource_wl.c b/WINGs/wappresource_wl.c
new file mode 100644
index 0000000..7895967
--- /dev/null
+++ b/WINGs/wappresource_wl.c
@@ -0,0 +1,100 @@
+/*
+ * wappresource_wl.c -- Wayland backend for application icon resources.
+ *
+ * Stores application icon data (RImage, WMPixmap) without X11 WM hints.
+ * The backend handles its own icon surface rendering through wlroots;
+ * this module provides the WINGs API entry points for the core WM.
+ */
+
+#include "WINGsP.h"
+#include "GNUstep.h"
+
+
+void
+WMSetApplicationIconWindow(WMScreen *scr, WNativeWindow window)
+{
+    scr->applicationIconWindow = window;
+}
+
+void
+WMSetApplicationIconImage(WMScreen *scr, RImage *image)
+{
+    WMPixmap *icon;
+
+    if (scr->applicationIconImage == image)
+        return;
+
+    if (scr->applicationIconImage)
+        RReleaseImage(scr->applicationIconImage);
+
+    scr->applicationIconImage = RRetainImage(image);
+
+    if (image != NULL && (icon = WMCreatePixmapFromRImage(scr, image, 128)) != NULL) {
+        WMSetApplicationIconPixmap(scr, icon);
+        WMReleasePixmap(icon);
+    }
+}
+
+RImage *
+WMGetApplicationIconImage(WMScreen *scr)
+{
+    return scr->applicationIconImage;
+}
+
+void
+WMSetApplicationIconPixmap(WMScreen *scr, WMPixmap *icon)
+{
+    if (scr->applicationIconPixmap == icon)
+        return;
+
+    if (scr->applicationIconPixmap)
+        WMReleasePixmap(scr->applicationIconPixmap);
+
+    scr->applicationIconPixmap = WMRetainPixmap(icon);
+    /* Wayland backend reads scr->applicationIconPixmap directly */
+}
+
+WMPixmap *
+WMGetApplicationIconPixmap(WMScreen *scr)
+{
+    return scr->applicationIconPixmap;
+}
+
+WMPixmap *
+WMCreateApplicationIconBlendedPixmap(WMScreen *scr, const RColor *color)
+{
+    WMPixmap *pix;
+
+    if (scr->applicationIconImage) {
+        static const RColor gray = {
+            .red   = 0xAE,
+            .green = 0xAA,
+            .blue  = 0xAE,
+            .alpha = 0xFF
+        };
+
+        if (!color)
+            color = &gray;
+
+        pix = WMCreateBlendedPixmapFromRImage(scr, scr->applicationIconImage, color);
+    } else {
+        pix = NULL;
+    }
+
+    return pix;
+}
+
+void
+WMSetApplicationHasAppIcon(WMScreen *scr, Bool flag)
+{
+    scr->aflags.hasAppIcon = (flag != 0) ? 1 : 0;
+}
+
+void
+W_InitApplication(WMScreen *scr)
+{
+    /* No X11 group leader window needed in Wayland mode.
+     * The backend manages application identity through
+     * wlr_foreign_toplevel_handle_v1_set_app_id. */
+    scr->groupLeader = WNATIVE_NONE;
+}
diff --git a/WINGs/wballoon_wl.c b/WINGs/wballoon_wl.c
new file mode 100644
index 0000000..1c32776
--- /dev/null
+++ b/WINGs/wballoon_wl.c
@@ -0,0 +1,104 @@
+/*
+ * wballoon_wl.c -- Wayland backend for tooltip balloon windows.
+ *
+ * Tooltip balloon rendering is delegated to the backend's scene graph.
+ * This module manages balloon state (text, font, colors, timing) and
+ * triggers redraws through the event system.  The actual pixel rendering
+ * happens in the backend's frame painting path.
+ */
+
+#include "WINGsP.h"
+#include <string.h>
+
+
+/*
+ * W_BalloonShowText -- called by the core WM to display a balloon.
+ * In Wayland mode the backend draws balloon text onto its own surfaces;
+ * this is a no-op here since the backend reads balloon state directly
+ * from the WMScreen and W_View structures.
+ */
+void
+W_BalloonShowText(void *bPtr, int x, int y, int w, int h, const char *text)
+{
+    (void)bPtr; (void)x; (void)y; (void)w; (void)h; (void)text;
+}
+
+void
+WMSetBalloonTextAlignment(WMScreen *scr, WMAlignment alignment)
+{
+    scr->balloonTextAlignment = alignment;
+}
+
+void
+WMSetBalloonTextForView(const char *text, WMView *view)
+{
+    if (!view)
+        return;
+    /* Store the balloon text — the backend reads it during frame paint */
+    if (view->balloonText)
+        wfree(view->balloonText);
+    view->balloonText = text ? wstrdup(text) : NULL;
+}
+
+void
+WMSetBalloonFont(WMScreen *scr, WMFont *font)
+{
+    scr->balloon_font = font;
+}
+
+void
+WMSetBalloonTextColor(WMScreen *scr, WMColor *color)
+{
+    scr->balloonTextColor = color;
+}
+
+void
+WMSetBalloonDelay(WMScreen *scr, int delay)
+{
+    scr->balloonDelay = delay;
+}
+
+void
+WMSetBalloonEnabled(WMScreen *scr, Bool flag)
+{
+    scr->balloonEnabled = flag;
+}
+
+void
+W_BalloonHandleLeaveView(WMView *view)
+{
+    if (!view || !view->balloonTimer)
+        return;
+    WTimerDestroy(view->balloonTimer);
+    view->balloonTimer = NULL;
+}
+
+void
+W_BalloonHandleEnterView(WMView *view)
+{
+    if (!view || !view->screen->balloonEnabled || !view->balloonText || !view->balloonText[0])
+        return;
+    /* In Wayland mode, the backend handles balloon show/hide timing */
+}
+
+void
+WMSetBalloonBackColor(WMScreen *scr, WMColor *color)
+{
+    scr->balloonBackColor = color;
+}
+
+Bool
+WMGetBalloonTextExtents(WMScreen *scr, const char *text, int *width, int *height)
+{
+    if (!scr || !text || !scr->balloon_font)
+        return False;
+    *width = WMWidthOfString(scr->balloon_font, text, strlen(text)) + 10;
+    *height = WMFontHeight(scr->balloon_font) + 6;
+    return True;
+}
+
+void
+W_BalloonCleanup(WMScreen *scr)
+{
+    (void)scr;
+}
diff --git a/WINGs/wcolorpanel_wl.c b/WINGs/wcolorpanel_wl.c
index f960327..d6f6c8e 100644
--- a/WINGs/wcolorpanel_wl.c
+++ b/WINGs/wcolorpanel_wl.c
@@ -9,7 +9,7 @@
 #include "WINGsP.h"
 #include "wcolorpanelP.h"
 
-void W_ColorPanelMagnify(struct WMWidget *w, void *data)
+void W_ColorPanelMagnify(WMWidget *w, void *data)
 {
 	struct W_ColorPanel *panel = (struct W_ColorPanel *)data;
 	(void)w;
diff --git a/WINGs/wstubs_no_x11.c b/WINGs/wstubs_no_x11.c
index 6358e7a..2edab2f 100644
--- a/WINGs/wstubs_no_x11.c
+++ b/WINGs/wstubs_no_x11.c
@@ -147,31 +147,10 @@ void W_BalloonShowText(void *bPtr, int x, int y, int w, int h, const char *text)
 /* Application resources (wappresource_x11.c)                          */
 /* ------------------------------------------------------------------ */
 
-void WMSetApplicationIconWindow(WMScreen *scr, WNativeWindow window)
-{ (void)scr; (void)window; }
-void WMSetApplicationIconImage(WMScreen *scr, RImage *image)
-{ (void)scr; (void)image; }
-void WMSetApplicationIconPixmap(WMScreen *scr, WMPixmap *icon)
-{ (void)scr; (void)icon; }
-void WMSetApplicationHasAppIcon(WMScreen *scr, Bool flag)
-{ (void)scr; (void)flag; }
-void W_InitApplication(WMScreen *scr) { (void)scr; }
-
 /* ------------------------------------------------------------------ */
 /* Color panel (wcolorpanel_x11.c)                                     */
 /* ------------------------------------------------------------------ */
 
-void WMSetColorPanelAction(WMColorPanel *panel, WMAction2 *action, void *data)
-{ (void)panel; (void)action; (void)data; }
-void WMFreeColorPanel(WMColorPanel *panel) { (void)panel; }
-void WMCloseColorPanel(WMColorPanel *panel) { (void)panel; }
-void WMShowColorPanel(WMColorPanel *panel) { (void)panel; }
-void WMSetColorPanelPickerMode(WMColorPanel *panel, WMColorPanelMode mode)
-{ (void)panel; (void)mode; }
-void WMSetColorPanelColor(WMColorPanel *panel, WMColor *color)
-{ (void)panel; (void)color; }
-void W_ColorPanelMagnify(WMWidget *w, void *data) { (void)w; (void)data; }
-
 /* ------------------------------------------------------------------ */
 /* Color helpers (wcolor_x11.c)                                        */
 /* ------------------------------------------------------------------ */