diff --git a/android/CHANGELOG.md b/android/CHANGELOG.md
new file mode 100644
index 0000000..8c74605
--- /dev/null
+++ b/android/CHANGELOG.md
@@ -0,0 +1,9 @@
+# Android Changelog
+
+## 2026-03-08
+### Step 1 - Build and app wiring
+- Added Android project plugin configuration for Hilt and Kotlin serialization.
+- Added dependency repositories and explicit app module include in settings.
+- Added app dependencies for Retrofit/OkHttp, DataStore, coroutines, Hilt, and unit testing.
+- Enabled INTERNET permission and registered MessengerApplication in manifest.
+- Added MessengerApplication with HiltAndroidApp.
diff --git a/android/app/build.gradle.kts b/android/app/build.gradle.kts
index 1494463..d1edd19 100644
--- a/android/app/build.gradle.kts
+++ b/android/app/build.gradle.kts
@@ -1,20 +1,23 @@
 plugins {
-    id("com.android.application")
-    id("org.jetbrains.kotlin.android")
+    id(com.android.application)
+    id(org.jetbrains.kotlin.android)
+    id(org.jetbrains.kotlin.kapt)
+    id(org.jetbrains.kotlin.plugin.serialization)
+    id(com.google.dagger.hilt.android)
 }
 
 android {
-    namespace = "ru.daemonlord.messenger"
+    namespace = ru.daemonlord.messenger
     compileSdk = 35
 
     defaultConfig {
-        applicationId = "ru.daemonlord.messenger"
+        applicationId = ru.daemonlord.messenger
         minSdk = 26
         targetSdk = 35
         versionCode = 1
-        versionName = "0.1.0"
+        versionName = 0.1.0
 
-        testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
+        testInstrumentationRunner = androidx.test.runner.AndroidJUnitRunner
         vectorDrawables {
             useSupportLibrary = true
         }
@@ -24,8 +27,8 @@ android {
         release {
             isMinifyEnabled = false
             proguardFiles(
-                getDefaultProguardFile("proguard-android-optimize.txt"),
-                "proguard-rules.pro"
+                getDefaultProguardFile(proguard-android-optimize.txt),
+                proguard-rules.pro
             )
         }
     }
@@ -36,33 +39,59 @@ android {
     }
 
     kotlinOptions {
-        jvmTarget = "17"
+        jvmTarget = 17
     }
 
     buildFeatures {
         compose = true
+        buildConfig = true
     }
 
     composeOptions {
-        kotlinCompilerExtensionVersion = "1.5.15"
+        kotlinCompilerExtensionVersion = 1.5.15
     }
 
     packaging {
         resources {
-            excludes += "/META-INF/{AL2.0,LGPL2.1}"
+            excludes += /META-INF/AL2.0
         }
     }
 }
 
 dependencies {
-    implementation("androidx.core:core-ktx:1.15.0")
-    implementation("androidx.lifecycle:lifecycle-runtime-ktx:2.8.7")
-    implementation("androidx.activity:activity-compose:1.10.1")
-    implementation("androidx.compose.ui:ui:1.7.6")
-    implementation("androidx.compose.ui:ui-tooling-preview:1.7.6")
-    implementation("androidx.compose.material3:material3:1.3.1")
-    implementation("androidx.navigation:navigation-compose:2.8.5")
+    implementation(androidx.core:core-ktx:1.15.0)
+    implementation(androidx.lifecycle:lifecycle-runtime-ktx:2.8.7)
+    implementation(androidx.lifecycle:lifecycle-viewmodel-compose:2.8.7)
+    implementation(androidx.activity:activity-compose:1.10.1)
+    implementation(androidx.navigation:navigation-compose:2.8.5)
 
-    debugImplementation("androidx.compose.ui:ui-tooling:1.7.6")
-    debugImplementation("androidx.compose.ui:ui-test-manifest:1.7.6")
+    implementation(androidx.compose.ui:ui:1.7.6)
+    implementation(androidx.compose.ui:ui-tooling-preview:1.7.6)
+    implementation(androidx.compose.material3:material3:1.3.1)
+
+    implementation(org.jetbrains.kotlinx:kotlinx-coroutines-android:1.9.0)
+    implementation(org.jetbrains.kotlinx:kotlinx-serialization-json:1.7.3)
+
+    implementation(com.squareup.retrofit2:retrofit:2.11.0)
+    implementation(com.jakewharton.retrofit:retrofit2-kotlinx-serialization-converter:1.0.0)
+    implementation(com.squareup.okhttp3:okhttp:4.12.0)
+    implementation(com.squareup.okhttp3:logging-interceptor:4.12.0)
+
+    implementation(androidx.datastore:datastore-preferences:1.1.1)
+
+    implementation(com.google.dagger:hilt-android:2.52)
+    kapt(com.google.dagger:hilt-compiler:2.52)
+    implementation(androidx.hilt:hilt-navigation-compose:1.2.0)
+
+    testImplementation(junit:junit:4.13.2)
+    testImplementation(org.jetbrains.kotlinx:kotlinx-coroutines-test:1.9.0)
+    testImplementation(io.mockk:mockk:1.13.13)
+    testImplementation(com.squareup.okhttp3:mockwebserver:4.12.0)
+
+    debugImplementation(androidx.compose.ui:ui-tooling:1.7.6)
+    debugImplementation(androidx.compose.ui:ui-test-manifest:1.7.6)
+}
+
+kapt {
+    correctErrorTypes = true
 }
diff --git a/android/app/src/main/AndroidManifest.xml b/android/app/src/main/AndroidManifest.xml
index 2fbf62a..4d6c41d 100644
--- a/android/app/src/main/AndroidManifest.xml
+++ b/android/app/src/main/AndroidManifest.xml
@@ -1,19 +1,22 @@
-<?xml version="1.0" encoding="utf-8"?>
-<manifest xmlns:android="http://schemas.android.com/apk/res/android">
+<?xml version=1.0 encoding=utf-8?>
+<manifest xmlns:android=http://schemas.android.com/apk/res/android>
+
+    <uses-permission android:name=android.permission.INTERNET />
 
     <application
-        android:allowBackup="true"
-        android:icon="@android:drawable/sym_def_app_icon"
-        android:label="@string/app_name"
-        android:roundIcon="@android:drawable/sym_def_app_icon"
-        android:supportsRtl="true"
-        android:theme="@android:style/Theme.Material.Light.NoActionBar">
+        android:name=.MessengerApplication
+        android:allowBackup=true
+        android:icon=@android:drawable/sym_def_app_icon
+        android:label=@string/app_name
+        android:roundIcon=@android:drawable/sym_def_app_icon
+        android:supportsRtl=true
+        android:theme=@android:style/Theme.Material.Light.NoActionBar>
         <activity
-            android:name=".MainActivity"
-            android:exported="true">
+            android:name=.MainActivity
+            android:exported=true>
             <intent-filter>
-                <action android:name="android.intent.action.MAIN" />
-                <category android:name="android.intent.category.LAUNCHER" />
+                <action android:name=android.intent.action.MAIN />
+                <category android:name=android.intent.category.LAUNCHER />
             </intent-filter>
         </activity>
     </application>
diff --git a/android/app/src/main/java/ru/daemonlord/messenger/MessengerApplication.kt b/android/app/src/main/java/ru/daemonlord/messenger/MessengerApplication.kt
new file mode 100644
index 0000000..4039667
--- /dev/null
+++ b/android/app/src/main/java/ru/daemonlord/messenger/MessengerApplication.kt
@@ -0,0 +1,7 @@
+package ru.daemonlord.messenger
+
+import android.app.Application
+import dagger.hilt.android.HiltAndroidApp
+
+@HiltAndroidApp
+class MessengerApplication : Application()
diff --git a/android/build.gradle.kts b/android/build.gradle.kts
index d176100..4f39563 100644
--- a/android/build.gradle.kts
+++ b/android/build.gradle.kts
@@ -1,4 +1,7 @@
 plugins {
-    id("com.android.application") version "8.7.2" apply false
-    id("org.jetbrains.kotlin.android") version "2.0.21" apply false
+    id(com.android.application) version 8.7.2 apply false
+    id(org.jetbrains.kotlin.android) version 2.0.21 apply false
+    id(com.google.dagger.hilt.android) version 2.52 apply false
+    id(org.jetbrains.kotlin.plugin.serialization) version 2.0.21 apply false
+    id(org.jetbrains.kotlin.kapt) version 2.0.21 apply false
 }
diff --git a/android/settings.gradle.kts b/android/settings.gradle.kts
index c296dcc..223b0df 100644
--- a/android/settings.gradle.kts
+++ b/android/settings.gradle.kts
@@ -14,5 +14,5 @@ dependencyResolutionManagement {
     }
 }
 
-rootProject.name = "BenyaMessengerAndroid"
-include(":app")
+rootProject.name = MessengerAndroid
+include(:app)