diff --git a/projector.py b/projector.py
index 333076c..b5a27f1 100755
--- a/projector.py
+++ b/projector.py
@@ -343,6 +343,9 @@ class SongProjector:
         elif self.song_number == "9901":
             self.update_songs_database()
             return
+        elif self.song_number == "9900":
+            self.show_app_info_tkinter()
+            return
         try:
             song_id = int(self.song_number)
             self.cursor.execute("SELECT lyrics FROM songs WHERE id=?", (song_id,))
@@ -717,6 +720,49 @@ class SongProjector:
         except Exception as e:
             print(f"Napaka pri pošiljanju ntfy obvestila: {e}")
 
+    # ------------------------------------------------------
+    #  Prikaži informacije o aplikaciji v Tkinter oknu
+    # ------------------------------------------------------
+    def show_app_info_tkinter(self):
+        """Prikaže informacije o aplikaciji v glavnem oknu (ukaz 9900)."""
+        try:
+            with open('appinfo.json', 'r', encoding='utf-8') as f:
+                info = json.load(f)
+            
+            self.cursor.execute("SELECT COUNT(*) FROM songs")
+            count = self.cursor.fetchone()[0]
+            
+            authors = ", ".join(info.get("authors", []))
+            
+            display_text = (
+                f"{info.get('name', 'Projekcija')}\n"
+                f"Verzija: {info.get('version', 'neznana')}\n\n"
+                f"{info.get('description', '')}\n\n"
+                f"Avtorji: {authors}\n\n"
+                f"Število pesmi v bazi: {count}"
+            )
+            
+            # Ponastavitev izgleda barvnega območja za prikaz informacij
+            self.color_frame.config(bg=self.settings["bg_color"], width=self.color_width, height=self.screen_height)
+            self.color_frame.place(relx=0.5, rely=0.5, anchor="center")
+            self.display_text.config(bg=self.settings["bg_color"], fg=self.settings["fg_color"], text=display_text)
+            self.display_text.pack(expand=True)
+            
+            # self.song_number_last = "9900"
+            self.song_info_label.config(text="Informacije o programu")
+            self.song_info_label.lift()
+            
+            self.pages = []
+            self.current_page_index = 0
+            self.waiting_for_song = True
+            
+            notify_clients()
+            
+        except Exception as e:
+            self.display_text.config(text=f"Napaka pri branju informacij: {e}")
+        finally:
+            self.song_number = ""
+
 # ----------------------------------------------------------
 #  Zagon aplikacije
 # ----------------------------------------------------------
diff --git a/web/server.py b/web/server.py
index 9ba3294..6441271 100644
--- a/web/server.py
+++ b/web/server.py
@@ -207,6 +207,13 @@ def get_app_info():
         # appinfo.json je v korenskem imeniku projekta
         with open('appinfo.json', 'r', encoding='utf-8') as f:
             info = json.load(f)
+        
+        # Dodaj število pesmi v bazi
+        if _projector_app is not None:
+            _projector_app.cursor.execute("SELECT COUNT(*) FROM songs")
+            count = _projector_app.cursor.fetchone()[0]
+            info['song_count'] = count
+            
         return jsonify(info)
     except Exception as e:
         return jsonify({'error': str(e)}), 500
diff --git a/web/static/script.js b/web/static/script.js
index a864c37..a5261cd 100644
--- a/web/static/script.js
+++ b/web/static/script.js
@@ -362,6 +362,11 @@ async function openAbout() {
         document.getElementById('about-name').textContent = data.name;
         document.getElementById('about-version').textContent = 'Verzija ' + data.version;
         document.getElementById('about-description').textContent = data.description;
+        
+        // Dodaj število pesmi
+        if (data.song_count !== undefined) {
+            document.getElementById('about-description').innerHTML += `<br><br>Število pesmi v bazi: <strong>${data.song_count}</strong>`;
+        }
 
         const authorsList = document.getElementById('about-authors');
         authorsList.innerHTML = '';