diff --git a/apps/giga-wear/client/build.gradle.kts b/apps/giga-wear/client/build.gradle.kts
index 0e8fc35..52e4cfd 100644
--- a/apps/giga-wear/client/build.gradle.kts
+++ b/apps/giga-wear/client/build.gradle.kts
@@ -8,7 +8,7 @@ plugins {
     alias(libs.plugins.convention.serialization)
 }
 
-val appVersion = "1.0.3"
+val appVersion = "1.0.4"
 
 android {
     buildFeatures { buildConfig = true }
diff --git a/apps/giga-wear/client/src/main/kotlin/ru/shadowsparky/gigawear/presentation/MainActivity.kt b/apps/giga-wear/client/src/main/kotlin/ru/shadowsparky/gigawear/presentation/MainActivity.kt
index d3b578f..dd33b56 100644
--- a/apps/giga-wear/client/src/main/kotlin/ru/shadowsparky/gigawear/presentation/MainActivity.kt
+++ b/apps/giga-wear/client/src/main/kotlin/ru/shadowsparky/gigawear/presentation/MainActivity.kt
@@ -3,7 +3,9 @@ package ru.shadowsparky.gigawear.presentation
 import android.os.Bundle
 import androidx.activity.ComponentActivity
 import androidx.activity.compose.setContent
+import androidx.lifecycle.lifecycleScope
 import com.arkivanov.decompose.retainedComponent
+import kotlinx.coroutines.launch
 import org.koin.android.ext.android.inject
 import ru.shadowsparky.gigawear.presentation.auth.AuthScreen
 import ru.shadowsparky.gigawear.presentation.chat.ChatScreen
@@ -17,6 +19,9 @@ class MainActivity : ComponentActivity() {
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         val root = retainedComponent { rootFactory.create(it) }
+        lifecycleScope.launch {
+            root.onFinish.collect { finishAffinity() }
+        }
         setContent {
             Nav(root) { child, _ ->
                 when (child) {
diff --git a/apps/giga-wear/client/src/main/kotlin/ru/shadowsparky/gigawear/presentation/chat/ChatComponent.kt b/apps/giga-wear/client/src/main/kotlin/ru/shadowsparky/gigawear/presentation/chat/ChatComponent.kt
index 019ad1a..29e1233 100644
--- a/apps/giga-wear/client/src/main/kotlin/ru/shadowsparky/gigawear/presentation/chat/ChatComponent.kt
+++ b/apps/giga-wear/client/src/main/kotlin/ru/shadowsparky/gigawear/presentation/chat/ChatComponent.kt
@@ -2,12 +2,13 @@ package ru.shadowsparky.gigawear.presentation.chat
 
 import com.arkivanov.decompose.ComponentContext
 import com.arkivanov.decompose.childContext
+import com.arkivanov.essenty.backhandler.BackCallback
 import com.arkivanov.essenty.lifecycle.coroutines.coroutineScope
 import com.arkivanov.essenty.lifecycle.doOnStart
-import com.arkivanov.essenty.lifecycle.doOnStop
 import kotlinx.coroutines.CoroutineExceptionHandler
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.SupervisorJob
+import kotlinx.coroutines.awaitCancellation
 import kotlinx.coroutines.channels.Channel
 import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.StateFlow
@@ -32,6 +33,7 @@ class ChatComponent(
     private val repository: ChatRepository,
     updateComponentFactory: UpdateComponentFactory,
     private val tokenStorage: TokenStorage,
+    private val onBack: () -> Unit,
     private val navigateToRouting: () -> Unit
 ) : ComponentContext by context {
     private val _state = MutableStateFlow(ChatUiState())
@@ -55,8 +57,23 @@ class ChatComponent(
                 if (it == null) navigateToRouting()
             }
         }
-        lifecycle.doOnStop {
-            _state.update { it.copy(stopRequested = true) }
+        registerBackCallback()
+    }
+
+    private fun registerBackCallback() {
+        scope.launch {
+            val backCallback = object : BackCallback() {
+                override fun onBack() {
+                    _state.update { it.copy(stopRequested = true) }
+                    onBack.invoke()
+                }
+            }
+            try {
+                backHandler.register(backCallback)
+                awaitCancellation()
+            } finally {
+                backHandler.unregister(backCallback)
+            }
         }
     }
 
@@ -118,7 +135,8 @@ class ChatComponentFactory(
             child,
             chatRepository,
             updateComponentFactory,
-            tokenStorage
+            tokenStorage,
+            onBack = { root.onBack() }
         ) { root.navReplace(Route.RoutingScreen()) }
         return Child.MainChild(component)
     }
diff --git a/apps/giga-wear/client/src/main/kotlin/ru/shadowsparky/gigawear/presentation/chat/SpeechManager.kt b/apps/giga-wear/client/src/main/kotlin/ru/shadowsparky/gigawear/presentation/chat/SpeechManager.kt
index 1f40157..31f43b6 100644
--- a/apps/giga-wear/client/src/main/kotlin/ru/shadowsparky/gigawear/presentation/chat/SpeechManager.kt
+++ b/apps/giga-wear/client/src/main/kotlin/ru/shadowsparky/gigawear/presentation/chat/SpeechManager.kt
@@ -44,13 +44,18 @@ class SpeechManager(context: Context) {
 
     fun speak(text: String) {
         tts?.speak(
-            text,
+            filterText(text),
             TextToSpeech.QUEUE_FLUSH,
             null,
             UTTERANCE_ID
         )
     }
 
+    private fun filterText(text: String): String =
+        text.replace(Regex("[^A-Za-zА-Яа-яЁё0-9\\s.,!?]"), "")
+            .replace(Regex("\\s+"), " ")
+            .trim()
+
     fun stop() {
         tts?.stop()
         resetSpeaking()