diff --git a/app/src/main/java/us/kikin/android/gamingbacklog/MainActivity.kt b/app/src/main/java/us/kikin/android/gamingbacklog/MainActivity.kt
index 235d657..c72e5bd 100644
--- a/app/src/main/java/us/kikin/android/gamingbacklog/MainActivity.kt
+++ b/app/src/main/java/us/kikin/android/gamingbacklog/MainActivity.kt
@@ -5,6 +5,7 @@ import android.util.Log
 import androidx.activity.ComponentActivity
 import androidx.activity.compose.setContent
 import androidx.activity.enableEdgeToEdge
+import androidx.activity.viewModels
 import androidx.compose.foundation.background
 import androidx.compose.foundation.layout.Box
 import androidx.compose.material3.MaterialTheme
@@ -19,6 +20,7 @@ import dagger.hilt.android.AndroidEntryPoint
 import kotlinx.coroutines.launch
 import us.kikin.android.gamingbacklog.domain.usecase.AppEntryUseCases
 import us.kikin.android.gamingbacklog.presentation.onboarding.OnboardingScreen
+import us.kikin.android.gamingbacklog.presentation.onboarding.OnboardingViewModel
 import us.kikin.android.gamingbacklog.ui.theme.AppTheme
 import javax.inject.Inject
 
@@ -28,6 +30,8 @@ class MainActivity : ComponentActivity() {
     @Inject
     lateinit var appEntryUseCases: AppEntryUseCases
 
+    private val onboardingViewModel: OnboardingViewModel by viewModels()
+
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
         WindowCompat.setDecorFitsSystemWindows(window, false)
@@ -41,25 +45,13 @@ class MainActivity : ComponentActivity() {
         setContent {
             AppTheme {
                 Box(modifier = Modifier.background(color = MaterialTheme.colorScheme.background)) {
-                    OnboardingScreen()
+                    OnboardingScreen(
+                        event = { event ->
+                            onboardingViewModel.onEvent(event)
+                        }
+                    )
                 }
             }
         }
     }
 }
-
-@Composable
-fun Greeting(name: String, modifier: Modifier = Modifier) {
-    Text(
-        text = "Hello $name!",
-        modifier = modifier
-    )
-}
-
-@Preview(showBackground = true)
-@Composable
-private fun GreetingPreview() {
-    AppTheme {
-        Greeting("Android")
-    }
-}
diff --git a/app/src/main/java/us/kikin/android/gamingbacklog/presentation/onboarding/OnboardingEvent.kt b/app/src/main/java/us/kikin/android/gamingbacklog/presentation/onboarding/OnboardingEvent.kt
new file mode 100644
index 0000000..b7cd4ec
--- /dev/null
+++ b/app/src/main/java/us/kikin/android/gamingbacklog/presentation/onboarding/OnboardingEvent.kt
@@ -0,0 +1,6 @@
+package us.kikin.android.gamingbacklog.presentation.onboarding
+
+sealed class OnboardingEvent {
+
+    object SaveAppEntry: OnboardingEvent()
+}
diff --git a/app/src/main/java/us/kikin/android/gamingbacklog/presentation/onboarding/OnboardingScreen.kt b/app/src/main/java/us/kikin/android/gamingbacklog/presentation/onboarding/OnboardingScreen.kt
index 0b8f0e4..2936c8e 100644
--- a/app/src/main/java/us/kikin/android/gamingbacklog/presentation/onboarding/OnboardingScreen.kt
+++ b/app/src/main/java/us/kikin/android/gamingbacklog/presentation/onboarding/OnboardingScreen.kt
@@ -30,7 +30,8 @@ import us.kikin.android.gamingbacklog.ui.theme.AppTheme
 @OptIn(ExperimentalFoundationApi::class)
 @Composable
 fun OnboardingScreen(
-    modifier: Modifier = Modifier
+    modifier: Modifier = Modifier,
+    event: (OnboardingEvent) -> Unit,
 ) {
     Column(modifier = modifier.fillMaxSize()) {
         val pagerState = rememberPagerState(initialPage = 0) {
@@ -79,6 +80,9 @@ fun OnboardingScreen(
                 }
                 PrimaryButton(text = buttonState.value[1],
                     onClick = {
+                        if (pagerState.currentPage == pages.size - 1) {
+                            event(OnboardingEvent.SaveAppEntry)
+                        }
                         scope.launch { pagerState.animateScrollToPage(pagerState.currentPage + 1) }
                     })
             }
@@ -91,6 +95,6 @@ fun OnboardingScreen(
 @Preview(showBackground = true)
 internal fun OnboardingScreenPreview() {
     AppTheme {
-        OnboardingScreen()
+        OnboardingScreen(event = {})
     }
 }
diff --git a/app/src/main/java/us/kikin/android/gamingbacklog/presentation/onboarding/OnboardingViewModel.kt b/app/src/main/java/us/kikin/android/gamingbacklog/presentation/onboarding/OnboardingViewModel.kt
new file mode 100644
index 0000000..4094a9c
--- /dev/null
+++ b/app/src/main/java/us/kikin/android/gamingbacklog/presentation/onboarding/OnboardingViewModel.kt
@@ -0,0 +1,28 @@
+package us.kikin.android.gamingbacklog.presentation.onboarding
+
+import androidx.lifecycle.ViewModel
+import androidx.lifecycle.viewModelScope
+import dagger.hilt.android.lifecycle.HiltViewModel
+import kotlinx.coroutines.launch
+import us.kikin.android.gamingbacklog.domain.usecase.AppEntryUseCases
+import javax.inject.Inject
+
+@HiltViewModel
+class OnboardingViewModel @Inject constructor(
+    private val appEntryUseCases: AppEntryUseCases
+) : ViewModel() {
+
+    fun onEvent(event: OnboardingEvent) {
+        when (event) {
+            OnboardingEvent.SaveAppEntry -> {
+                saveAppEntry()
+            }
+        }
+    }
+
+    private fun saveAppEntry() {
+        viewModelScope.launch {
+            appEntryUseCases.saveAppEntry()
+        }
+    }
+}