diff --git a/app/src/main/java/th/koeln/pomotik/MainActivity.kt b/app/src/main/java/th/koeln/pomotik/MainActivity.kt
index e85c9127cd02ee1a379e4b0540ab20e5b6f6c1eb..5d9985f9e4679b764f13c0a1af353edd9c954f75 100644
--- a/app/src/main/java/th/koeln/pomotik/MainActivity.kt
+++ b/app/src/main/java/th/koeln/pomotik/MainActivity.kt
@@ -9,6 +9,7 @@ import androidx.compose.runtime.Composable
 import androidx.navigation.compose.NavHost
 import androidx.navigation.compose.composable
 import androidx.navigation.compose.rememberNavController
+import th.koeln.pomotik.screens.help.HelpScreenComponent
 import th.koeln.pomotik.screens.start.StartBildschirm
 import th.koeln.pomotik.screens.timer.TimerScreenComponent
 import th.koeln.pomotik.screens.todo.TodoListScreen
@@ -47,6 +48,7 @@ class MainActivity : ComponentActivity() {
             composable("startseite") { StartBildschirm(navController) }
             composable("timer-activity") { TimerScreenComponent(navController) }
             composable("todo-list") { TodoListScreen(navController) }
+            composable("help") { HelpScreenComponent(navController) }
         }
     }
 }
diff --git a/app/src/main/java/th/koeln/pomotik/screens/help/Help.kt b/app/src/main/java/th/koeln/pomotik/screens/help/Help.kt
new file mode 100644
index 0000000000000000000000000000000000000000..dbe1b8f8875ae7095be0116f28bb3e191f9bd663
--- /dev/null
+++ b/app/src/main/java/th/koeln/pomotik/screens/help/Help.kt
@@ -0,0 +1,114 @@
+package th.koeln.pomotik.screens.help
+
+import androidx.compose.foundation.background
+import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.Spacer
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.height
+import androidx.compose.foundation.layout.padding
+import androidx.compose.material3.Button
+import androidx.compose.material3.ButtonDefaults
+import androidx.compose.material3.ExperimentalMaterial3Api
+import androidx.compose.material3.Scaffold
+import androidx.compose.material3.Text
+import androidx.compose.material3.TopAppBar
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.graphics.Brush
+import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.text.font.FontWeight
+import androidx.compose.ui.text.style.TextAlign
+import androidx.compose.ui.unit.dp
+import androidx.compose.ui.unit.sp
+import androidx.navigation.NavHostController
+
+@ExperimentalMaterial3Api
+@Composable
+fun HelpScreenComponent(navHostController: NavHostController) {
+    Scaffold(
+        topBar = {
+            TopAppBar(
+                title = {
+                    Row(
+                        modifier = Modifier.fillMaxWidth(),
+                        horizontalArrangement = Arrangement.Center
+                    ) {
+                        Text(
+                            text = "PomoTik Hilfe",
+                            color = Color.White,
+                            fontWeight = FontWeight.Bold
+                        )
+                    }
+                },
+                colors = androidx.compose.material3.TopAppBarDefaults.topAppBarColors(
+                    containerColor = Color(0xFF4A4AFC)
+                )
+            )
+        },
+        content = { innerPadding ->
+            Modifier.padding(innerPadding)
+            Column(
+                modifier = Modifier
+                    .fillMaxSize()
+                    .background(
+                        Brush.verticalGradient(
+                            colors = listOf(
+                                Color(0xFF7DABD8),
+                                Color(0xFFD2BBE8)
+                            )
+                        )
+                    )
+                    .padding(16.dp),
+                horizontalAlignment = Alignment.CenterHorizontally,
+                verticalArrangement = Arrangement.Top
+            ) {
+                Spacer(modifier = Modifier.height(80.dp))
+
+                Text(
+                    text = "Willkommen zur PomoTik Hilfe",
+                    fontSize = 28.sp,
+                    fontWeight = FontWeight.Bold,
+                    color = Color.White,
+                    textAlign = TextAlign.Center
+                )
+
+                Spacer(modifier = Modifier.height(20.dp))
+
+                Text(
+                    text = "In dieser App kannst du mit der Pomodoro-Technik arbeiten. \n\n" +
+                            "- Drücke 'Start', um einen Timer zu starten.\n" +
+                            "- Nutze die 'Pause' Taste, um den Timer zu pausieren.\n" +
+                            "- Setze den Timer zurück, um von vorne zu beginnen.\n\n" +
+                            "Vergiss nicht, dass du auch Todo-Listen erstellen kannst, um deine Aufgaben zu verwalten!",
+                    fontSize = 18.sp,
+                    color = Color.White,
+                    textAlign = TextAlign.Left
+                )
+
+                Spacer(modifier = Modifier.height(40.dp))
+
+                Button(
+                    onClick = {
+                        // Navigiere zurück zum Timer
+                        navHostController.popBackStack()
+                    },
+                    modifier = Modifier
+                        .fillMaxWidth(0.7f)
+                        .height(50.dp),
+                    colors = ButtonDefaults.buttonColors(containerColor = Color(0xFF4A4AFC))
+                ) {
+                    Text(
+                        text = "Zurück zum Timer",
+                        color = Color.White,
+                        fontWeight = FontWeight.Bold,
+                        fontSize = 18.sp
+                    )
+                }
+            }
+        }
+    )
+}
diff --git a/app/src/main/java/th/koeln/pomotik/screens/timer/TimerScreenActivity.kt b/app/src/main/java/th/koeln/pomotik/screens/timer/TimerScreenComponent.kt
similarity index 96%
rename from app/src/main/java/th/koeln/pomotik/screens/timer/TimerScreenActivity.kt
rename to app/src/main/java/th/koeln/pomotik/screens/timer/TimerScreenComponent.kt
index ce3aebfb36d2e842e7aa1199f79e628952b34414..772f80b990d6c5cda0d2b1a56432df0a9806ed94 100644
--- a/app/src/main/java/th/koeln/pomotik/screens/timer/TimerScreenActivity.kt
+++ b/app/src/main/java/th/koeln/pomotik/screens/timer/TimerScreenComponent.kt
@@ -3,6 +3,7 @@ package th.koeln.pomotik.screens.timer
 import NotificationService
 import android.app.Activity
 import android.content.pm.PackageManager
+import android.media.MediaPlayer
 import android.os.Build
 import android.widget.NumberPicker
 import androidx.compose.foundation.background
@@ -48,6 +49,7 @@ import androidx.core.app.ActivityCompat
 import androidx.lifecycle.viewmodel.compose.viewModel
 import androidx.navigation.NavHostController
 import kotlinx.coroutines.delay
+import th.koeln.pomotik.R
 
 
 @ExperimentalMaterial3Api
@@ -61,6 +63,10 @@ fun TimerScreenComponent(navHostController: NavHostController) {
     val notificationService = NotificationService(context)
     val timerViewModel: TimerViewModel = viewModel()
 
+    // MediaPlayer für den Alarmton
+    val mediaPlayer = remember {
+        MediaPlayer.create(context, R.raw.alarm_4) // Audio aus res/raw
+    }
 
 
     LaunchedEffect(isRunning) {
@@ -72,6 +78,11 @@ fun TimerScreenComponent(navHostController: NavHostController) {
             notificationService.showTimerNotification {
                 formatTime(timeLeft)
             }
+
+            if (timeLeft == 0) {
+                isRunning = false
+                mediaPlayer.start() // Alarmton abspielen
+            }
         }
     }
 
diff --git a/app/src/main/java/th/koeln/pomotik/screens/todo/TodoList.kt b/app/src/main/java/th/koeln/pomotik/screens/todo/TodoList.kt
index 59cbea2c773d4e8e4af3cf3fd39187b36fee08cd..0bbefd4b10d5c27730dfb29ad39c9e0553bb60f2 100644
--- a/app/src/main/java/th/koeln/pomotik/screens/todo/TodoList.kt
+++ b/app/src/main/java/th/koeln/pomotik/screens/todo/TodoList.kt
@@ -32,6 +32,7 @@ import th.koeln.pomotik.screens.db.TaskViewModel
 import java.text.SimpleDateFormat
 import java.util.Date
 import androidx.compose.runtime.livedata.observeAsState
+import androidx.compose.ui.text.style.TextDecoration
 
 
 @Composable
@@ -50,7 +51,7 @@ fun TaskItem(
             .padding(6.dp),
         shape = RoundedCornerShape(16.dp),
         colors = CardDefaults.cardColors(
-            containerColor = if (item.isCompleted) Color.Gray else Color.White
+            containerColor = Color.White
         )
     ) {
         Row(
@@ -65,7 +66,8 @@ fun TaskItem(
                     text = item.name,
                     fontSize = 18.sp,
                     fontWeight = FontWeight.Bold,
-                    color = if (item.isCompleted) Color.Gray else Color.Black
+                    color = if (item.isCompleted) Color.Gray else Color.Black,
+                    textDecoration = if (item.isCompleted) TextDecoration.LineThrough else TextDecoration.None // Text wird durchgestrichen, wenn abgeschlossen
                 )
                 Text(
                     text = dateFormat.format(item.date),
@@ -74,6 +76,7 @@ fun TaskItem(
                 )
             }
 
+
             // Checkbox zum Markieren des Tasks als abgeschlossen
             Checkbox(
                 checked = item.isCompleted,
@@ -87,6 +90,7 @@ fun TaskItem(
             // Button zum Entfernen des Tasks
             IconButton(onClick = { onRemove(item) }) {
                 Icon(
+                    tint = Color(0xFFF44336),
                     imageVector = Icons.Default.Delete,
                     contentDescription = "Remove Task"
                 )
diff --git a/app/src/main/res/raw/alarm_4.mp3 b/app/src/main/res/raw/alarm_4.mp3
new file mode 100644
index 0000000000000000000000000000000000000000..2d6053135b679fc7dd9d0a583056e322efa4a9e6
Binary files /dev/null and b/app/src/main/res/raw/alarm_4.mp3 differ