diff --git a/app/build.gradle.kts b/app/build.gradle.kts
index 278a60c..8c77551 100644
--- a/app/build.gradle.kts
+++ b/app/build.gradle.kts
@@ -1,6 +1,9 @@
 plugins {
     alias(libs.plugins.android.application)
     alias(libs.plugins.kotlin.android)
+    alias(libs.plugins.compose.compiler)
+    alias(libs.plugins.ksp)
+    alias(libs.plugins.dagger.hilt)
 }
 
 android {
@@ -18,6 +21,8 @@ android {
         vectorDrawables {
             useSupportLibrary = true
         }
+
+        manifestPlaceholders["YANDEX_CLIENT_ID"] = "f1402bc7bc8b4502a39624d9acecc54c"
     }
 
     buildTypes {
@@ -39,9 +44,7 @@ android {
     buildFeatures {
         compose = true
     }
-    composeOptions {
-        kotlinCompilerExtensionVersion = "1.5.1"
-    }
+
     packaging {
         resources {
             excludes += "/META-INF/{AL2.0,LGPL2.1}"
@@ -50,20 +53,42 @@ android {
 }
 
 dependencies {
+    implementation(libs.androidx.navigation)
+
+    // Yandex
+    implementation(libs.yandex.oauth)
+
+    // Hilt
+    implementation(libs.dagger.hilt)
+    ksp(libs.dagger.hilt.compiler)
+
+    // Room
+    implementation(libs.room.ktx)
+    implementation(libs.room.runtime)
+    annotationProcessor(libs.room.compiler)
+    ksp(libs.room.compiler)
+
+    // Retrofit
+    implementation(libs.retrofit)
+    implementation(libs.retrofit.converter.gson)
+    implementation(libs.retrofit.converter.scalars)
+    implementation(libs.google.gson)
 
     implementation(libs.androidx.core.ktx)
     implementation(libs.androidx.lifecycle.runtime.ktx)
     implementation(libs.androidx.activity.compose)
     implementation(platform(libs.androidx.compose.bom))
+
+    debugImplementation(libs.androidx.ui.tooling)
+    debugImplementation(libs.androidx.ui.test.manifest)
     implementation(libs.androidx.ui)
     implementation(libs.androidx.ui.graphics)
     implementation(libs.androidx.ui.tooling.preview)
     implementation(libs.androidx.material3)
+
     testImplementation(libs.junit)
     androidTestImplementation(libs.androidx.junit)
     androidTestImplementation(libs.androidx.espresso.core)
     androidTestImplementation(platform(libs.androidx.compose.bom))
     androidTestImplementation(libs.androidx.ui.test.junit4)
-    debugImplementation(libs.androidx.ui.tooling)
-    debugImplementation(libs.androidx.ui.test.manifest)
 }
\ No newline at end of file
diff --git a/app/release/app-release.aab b/app/release/app-release.aab
new file mode 100644
index 0000000..b2a6836
Binary files /dev/null and b/app/release/app-release.aab differ
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 0967ec5..b0e26b9 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -13,9 +13,8 @@
         android:theme="@style/Theme.Wallenc"
         tools:targetApi="31">
         <activity
-            android:name=".MainActivity"
+            android:name=".ui.MainActivity"
             android:exported="true"
-            android:label="@string/app_name"
             android:theme="@style/Theme.Wallenc">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
diff --git a/app/src/main/java/ru/freedominc/wallenc/MainActivity.kt b/app/src/main/java/ru/freedominc/wallenc/MainActivity.kt
deleted file mode 100644
index e66d04a..0000000
--- a/app/src/main/java/ru/freedominc/wallenc/MainActivity.kt
+++ /dev/null
@@ -1,47 +0,0 @@
-package ru.freedominc.wallenc
-
-import android.os.Bundle
-import androidx.activity.ComponentActivity
-import androidx.activity.compose.setContent
-import androidx.activity.enableEdgeToEdge
-import androidx.compose.foundation.layout.fillMaxSize
-import androidx.compose.foundation.layout.padding
-import androidx.compose.material3.Scaffold
-import androidx.compose.material3.Text
-import androidx.compose.runtime.Composable
-import androidx.compose.ui.Modifier
-import androidx.compose.ui.tooling.preview.Preview
-import ru.freedominc.wallenc.ui.theme.WallencTheme
-
-class MainActivity : ComponentActivity() {
-    override fun onCreate(savedInstanceState: Bundle?) {
-        super.onCreate(savedInstanceState)
-        enableEdgeToEdge()
-        setContent {
-            WallencTheme {
-                Scaffold(modifier = Modifier.fillMaxSize()) { innerPadding ->
-                    Greeting(
-                        name = "Android",
-                        modifier = Modifier.padding(innerPadding)
-                    )
-                }
-            }
-        }
-    }
-}
-
-@Composable
-fun Greeting(name: String, modifier: Modifier = Modifier) {
-    Text(
-        text = "Hello $name!",
-        modifier = modifier
-    )
-}
-
-@Preview(showBackground = true)
-@Composable
-fun GreetingPreview() {
-    WallencTheme {
-        Greeting("Android")
-    }
-}
\ No newline at end of file
diff --git a/app/src/main/java/ru/freedominc/wallenc/ui/MainActivity.kt b/app/src/main/java/ru/freedominc/wallenc/ui/MainActivity.kt
new file mode 100644
index 0000000..79fe254
--- /dev/null
+++ b/app/src/main/java/ru/freedominc/wallenc/ui/MainActivity.kt
@@ -0,0 +1,82 @@
+package ru.freedominc.wallenc.ui
+
+import android.os.Bundle
+import android.widget.Toast
+import androidx.activity.ComponentActivity
+import androidx.activity.compose.setContent
+import androidx.activity.enableEdgeToEdge
+import androidx.compose.foundation.layout.Arrangement
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.fillMaxHeight
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.padding
+import androidx.compose.material3.Button
+import androidx.compose.material3.Scaffold
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.tooling.preview.Preview
+import com.yandex.authsdk.YandexAuthLoginOptions
+import com.yandex.authsdk.YandexAuthOptions
+import com.yandex.authsdk.YandexAuthResult
+import com.yandex.authsdk.YandexAuthSdk
+import com.yandex.authsdk.internal.strategy.LoginType
+import ru.freedominc.wallenc.ui.theme.WallencTheme
+
+class MainActivity : ComponentActivity() {
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+        enableEdgeToEdge()
+
+        val sdk = YandexAuthSdk.create(YandexAuthOptions(applicationContext, true))
+        val launcher =
+            registerForActivityResult(sdk.contract) { result -> handleResult(result) }
+        val loginOptions = YandexAuthLoginOptions(LoginType.CHROME_TAB)
+
+        setContent {
+            WallencTheme {
+                Scaffold(modifier = Modifier.fillMaxSize()) { innerPadding ->
+                    Greeting(modifier = Modifier.padding(innerPadding)) {
+
+                        launcher.launch(loginOptions)
+                    }
+                }
+            }
+        }
+    }
+
+    private fun handleResult(result: YandexAuthResult) {
+        when (result) {
+            is YandexAuthResult.Success -> Toast.makeText(applicationContext, "Success: ${result.token}", Toast.LENGTH_SHORT).show()
+            is YandexAuthResult.Failure -> Toast.makeText(applicationContext, "Success: ${result.exception}", Toast.LENGTH_SHORT).show()
+            YandexAuthResult.Cancelled -> Toast.makeText(applicationContext, "Cancel", Toast.LENGTH_SHORT).show()
+        }
+    }
+}
+
+@Composable
+fun Greeting(modifier: Modifier = Modifier, onClick: () -> Unit) {
+    Column(
+        modifier = modifier
+            .fillMaxWidth()
+            .fillMaxHeight(),
+        verticalArrangement = Arrangement.Center,
+        horizontalAlignment = Alignment.CenterHorizontally
+    ) {
+        Button(onClick = onClick) {
+            Text(text = "Login")
+        }
+    }
+}
+
+@Preview(showBackground = true)
+@Composable
+fun GreetingPreview() {
+    WallencTheme {
+        Greeting(Modifier) {
+
+        }
+    }
+}
\ No newline at end of file
diff --git a/app/src/main/java/ru/freedominc/wallenc/ui/theme/Theme.kt b/app/src/main/java/ru/freedominc/wallenc/ui/theme/Theme.kt
index 11bebb6..d661cc7 100644
--- a/app/src/main/java/ru/freedominc/wallenc/ui/theme/Theme.kt
+++ b/app/src/main/java/ru/freedominc/wallenc/ui/theme/Theme.kt
@@ -1,6 +1,5 @@
 package ru.freedominc.wallenc.ui.theme
 
-import android.app.Activity
 import android.os.Build
 import androidx.compose.foundation.isSystemInDarkTheme
 import androidx.compose.material3.MaterialTheme
diff --git a/build.gradle.kts b/build.gradle.kts
index 922f551..4535f71 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -2,4 +2,7 @@
 plugins {
     alias(libs.plugins.android.application) apply false
     alias(libs.plugins.kotlin.android) apply false
+    alias(libs.plugins.compose.compiler) apply false
+    alias(libs.plugins.ksp) apply false
+    alias(libs.plugins.dagger.hilt) apply false
 }
\ No newline at end of file
diff --git a/gradle/libs.versions.toml b/gradle/libs.versions.toml
index df656ca..7036f70 100644
--- a/gradle/libs.versions.toml
+++ b/gradle/libs.versions.toml
@@ -1,15 +1,42 @@
 [versions]
 agp = "8.6.0"
-kotlin = "1.9.0"
+kotlin = "2.0.20"
 coreKtx = "1.13.1"
 junit = "4.13.2"
 junitVersion = "1.2.1"
 espressoCore = "3.6.1"
-lifecycleRuntimeKtx = "2.8.4"
-activityCompose = "1.9.1"
-composeBom = "2024.04.01"
+lifecycleRuntimeKtx = "2.8.5"
+activityCompose = "1.9.2"
+composeBom = "2024.09.00"
+navigation = "2.8.0"
+yandexAuthSdk = "3.1.1"
+daggerHilt = "2.47"
+ksp = "2.0.20-1.0.24"
+room = "2.6.1"
+retrofit = "2.9.0"
+gson = "2.10.1"
 
 [libraries]
+androidx-navigation = { group = "androidx.navigation", name = "navigation-compose", version.ref = "navigation" }
+
+# Yandex
+yandex-oauth = { group = "com.yandex.android", name = "authsdk", version.ref = "yandexAuthSdk" }
+
+# Hilt
+dagger-hilt = { group = "com.google.dagger", name = "hilt-android", version.ref = "daggerHilt" }
+dagger-hilt-compiler = { group = "com.google.dagger", name = "hilt-android-compiler", version.ref = "daggerHilt" }
+
+# Room
+room-runtime = { group = "androidx.room", name = "room-runtime", version.ref = "room" }
+room-ktx = { group = "androidx.room", name = "room-ktx", version.ref = "room" }
+room-compiler = { group = "androidx.room", name = "room-compiler", version.ref = "room" }
+
+# Retrofit
+retrofit = { group="com.squareup.retrofit2", name = "retrofit", version.ref = "retrofit"}
+retrofit-converter-scalars = { group="com.squareup.retrofit2", name = "converter-scalars", version.ref = "retrofit"}
+retrofit-converter-gson = { group="com.squareup.retrofit2", name = "converter-gson", version.ref = "retrofit"}
+google-gson = { group="com.google.code.gson", name = "gson", version.ref = "gson"}
+
 androidx-core-ktx = { group = "androidx.core", name = "core-ktx", version.ref = "coreKtx" }
 junit = { group = "junit", name = "junit", version.ref = "junit" }
 androidx-junit = { group = "androidx.test.ext", name = "junit", version.ref = "junitVersion" }
@@ -17,15 +44,20 @@ androidx-espresso-core = { group = "androidx.test.espresso", name = "espresso-co
 androidx-lifecycle-runtime-ktx = { group = "androidx.lifecycle", name = "lifecycle-runtime-ktx", version.ref = "lifecycleRuntimeKtx" }
 androidx-activity-compose = { group = "androidx.activity", name = "activity-compose", version.ref = "activityCompose" }
 androidx-compose-bom = { group = "androidx.compose", name = "compose-bom", version.ref = "composeBom" }
+androidx-material3 = { group = "androidx.compose.material3", name = "material3" }
+
 androidx-ui = { group = "androidx.compose.ui", name = "ui" }
 androidx-ui-graphics = { group = "androidx.compose.ui", name = "ui-graphics" }
 androidx-ui-tooling = { group = "androidx.compose.ui", name = "ui-tooling" }
 androidx-ui-tooling-preview = { group = "androidx.compose.ui", name = "ui-tooling-preview" }
 androidx-ui-test-manifest = { group = "androidx.compose.ui", name = "ui-test-manifest" }
 androidx-ui-test-junit4 = { group = "androidx.compose.ui", name = "ui-test-junit4" }
-androidx-material3 = { group = "androidx.compose.material3", name = "material3" }
+
 
 [plugins]
 android-application = { id = "com.android.application", version.ref = "agp" }
 kotlin-android = { id = "org.jetbrains.kotlin.android", version.ref = "kotlin" }
+compose-compiler = { id = "org.jetbrains.kotlin.plugin.compose", version.ref = "kotlin" }
+dagger-hilt = { id = "com.google.dagger.hilt.android", version.ref = "daggerHilt" }
+ksp = { id = "com.google.devtools.ksp", version.ref = "ksp" }