diff --git a/mobile/app/build.gradle.kts b/mobile/app/build.gradle.kts
index 291a796..c3ec446 100644
--- a/mobile/app/build.gradle.kts
+++ b/mobile/app/build.gradle.kts
@@ -9,7 +9,7 @@ android {
 
     defaultConfig {
         applicationId = "com.odweta.solen"
-        minSdk = 24
+        minSdk = 28
         targetSdk = 34
         versionCode = 1
         versionName = "1.0"
@@ -48,6 +48,7 @@ dependencies {
     implementation("androidx.lifecycle:lifecycle-livedata-ktx:2.4.0")
     implementation("com.squareup.okhttp3:okhttp:4.12.0")
     implementation("androidx.viewpager2:viewpager2:1.0.0")
+    implementation("com.github.bumptech.glide:glide:4.16.0")
     androidTestImplementation("androidx.test.espresso:espresso-core:3.5.1")
     androidTestImplementation("androidx.test.ext:junit:1.1.5")
     testImplementation("junit:junit:4.13.2")
diff --git a/mobile/app/src/main/AndroidManifest.xml b/mobile/app/src/main/AndroidManifest.xml
index 76dbfea..e67eba3 100644
--- a/mobile/app/src/main/AndroidManifest.xml
+++ b/mobile/app/src/main/AndroidManifest.xml
@@ -26,6 +26,9 @@
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
         </activity>
+        <meta-data
+            android:name="preloaded_fonts"
+            android:resource="@array/preloaded_fonts" />
     </application>
 
 </manifest>
\ No newline at end of file
diff --git a/mobile/app/src/main/ic_launcher-playstore.png b/mobile/app/src/main/ic_launcher-playstore.png
new file mode 100644
index 0000000..ecaca23
Binary files /dev/null and b/mobile/app/src/main/ic_launcher-playstore.png differ
diff --git a/mobile/app/src/main/java/com/odweta/solen/MainActivity.kt b/mobile/app/src/main/java/com/odweta/solen/MainActivity.kt
index eb16fc9..2eee385 100644
--- a/mobile/app/src/main/java/com/odweta/solen/MainActivity.kt
+++ b/mobile/app/src/main/java/com/odweta/solen/MainActivity.kt
@@ -1,12 +1,24 @@
 package com.odweta.solen
 
+import android.annotation.SuppressLint
+import android.graphics.ImageDecoder
+import android.graphics.drawable.AnimatedImageDrawable
 import android.os.Build
 import android.os.Bundle
 import android.util.Log
+import android.view.Menu
+import android.view.MenuItem
 import android.view.View
+import android.webkit.WebResourceError
+import android.webkit.WebResourceRequest
+import android.webkit.WebView
+import android.webkit.WebViewClient
+import android.widget.ImageView
+import android.widget.Toolbar
 import androidx.annotation.RequiresApi
 import androidx.appcompat.app.AppCompatActivity
 import androidx.lifecycle.lifecycleScope
+import com.bumptech.glide.Glide
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
 import kotlinx.coroutines.withContext
@@ -50,17 +62,61 @@ class MainActivity : AppCompatActivity(), MainActivityListener {
         }
     }
 
-    @RequiresApi(Build.VERSION_CODES.O)
+    @SuppressLint("MissingInflatedId")
     override fun onCreate(savedInstanceState: Bundle?) {
         super.onCreate(savedInstanceState)
-        setContentView(R.layout.activity_cal_week)
+        setContentView(R.layout.activity_splash_screen)
+
+        setSupportActionBar(findViewById(R.id.toolbar))
 
         lifecycleScope.launch {
+            // Assuming you have an ImageView with ID "animatedImageView" in your layout
+            val animatedImageView: ImageView = findViewById(R.id.loading_gif)
+
+            // Load animated image from resources (e.g., a GIF file)
+            val drawable = ImageDecoder.decodeDrawable(
+                ImageDecoder.createSource(resources, R.drawable.loading)
+            )
+
+            // Set the drawable to your ImageView
+            if (drawable is AnimatedImageDrawable) {
+                animatedImageView.setImageDrawable(drawable)
+                drawable.start() // Start the animation
+            }
+
             setupAPI()
             launch()
         }
     }
 
+    // Override onCreateOptionsMenu to handle menu item clicks
+    override fun onCreateOptionsMenu(menu: Menu): Boolean {
+        menuInflater.inflate(R.menu.menu_main, menu)
+        return true
+    }
+
+    // Override onOptionsItemSelected to handle menu item clicks
+    override fun onOptionsItemSelected(item: MenuItem): Boolean {
+        when (item.itemId) {
+            R.id.item_refresh -> {
+                lifecycleScope.launch {
+                    launch()
+                }
+                return true
+            }
+            R.id.item_sign_in -> {
+                // TODO: IMPLEMENT
+                return true
+            }
+            R.id.item_settings -> {
+                // TODO: IMPLEMENT
+                return true
+            }
+        }
+
+        return super.onOptionsItemSelected(item)
+    }
+
     @RequiresApi(Build.VERSION_CODES.O)
     override fun onLaunch(view: View) {
         launch()
@@ -69,6 +125,8 @@ class MainActivity : AppCompatActivity(), MainActivityListener {
     @RequiresApi(Build.VERSION_CODES.O)
     private fun launch() {
         lifecycleScope.launch {
+            setContentView(R.layout.activity_loading_with_bar)
+
             val week = parseJSON(getTimeTableJSON())
             days = week
             for ((i, day) in week.withIndex()) {
@@ -76,6 +134,8 @@ class MainActivity : AppCompatActivity(), MainActivityListener {
                 dayMap[i] = day
             }
 
+            setContentView(R.layout.activity_main)
+
             val mainFragment = CalWeekFragment()
             supportFragmentManager.beginTransaction()
                 .replace(R.id.fragmentContainer, mainFragment)
diff --git a/mobile/app/src/main/res/drawable/loading.gif b/mobile/app/src/main/res/drawable/loading.gif
new file mode 100644
index 0000000..3cce103
Binary files /dev/null and b/mobile/app/src/main/res/drawable/loading.gif differ
diff --git a/mobile/app/src/main/res/drawable/solen.webp b/mobile/app/src/main/res/drawable/solen.webp
new file mode 100644
index 0000000..eb6cd57
Binary files /dev/null and b/mobile/app/src/main/res/drawable/solen.webp differ
diff --git a/mobile/app/src/main/res/font/roboto.xml b/mobile/app/src/main/res/font/roboto.xml
new file mode 100644
index 0000000..271d619
--- /dev/null
+++ b/mobile/app/src/main/res/font/roboto.xml
@@ -0,0 +1,7 @@
+<?xml version="1.0" encoding="utf-8"?>
+<font-family xmlns:app="http://schemas.android.com/apk/res-auto">
+    <font
+        app:fontStyle="normal"
+        app:fontWeight="400"
+        app:font="@font/roboto_src"/>
+</font-family>
\ No newline at end of file
diff --git a/mobile/app/src/main/res/font/roboto_src.ttf b/mobile/app/src/main/res/font/roboto_src.ttf
new file mode 100644
index 0000000..3313686
Binary files /dev/null and b/mobile/app/src/main/res/font/roboto_src.ttf differ
diff --git a/mobile/app/src/main/res/layout/activity_cal_week.xml b/mobile/app/src/main/res/layout/activity_cal_week.xml
index fb00d86..798d127 100644
--- a/mobile/app/src/main/res/layout/activity_cal_week.xml
+++ b/mobile/app/src/main/res/layout/activity_cal_week.xml
@@ -5,37 +5,14 @@
     android:id="@+id/cal_week_root"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
-    tools:context=".MainActivity">
-
-    <Button
-        android:id="@+id/refreshButton"
-        android:layout_width="105dp"
-        android:layout_height="53dp"
-        android:onClick="onLaunch"
-        android:text="Refresh"
-        app:layout_constraintBottom_toTopOf="@+id/dayPager"
-        app:layout_constraintEnd_toStartOf="@+id/dayPager"
-        app:layout_constraintHorizontal_bias="0.0"
-        app:layout_constraintStart_toStartOf="parent"
-        app:layout_constraintTop_toTopOf="parent"
-        app:layout_constraintVertical_bias="0.0" />
+    tools:context=".MainActivity"
+    android:fontFamily="@font/roboto">
 
     <androidx.viewpager2.widget.ViewPager2
         android:id="@+id/dayPager"
         android:layout_width="match_parent"
         android:layout_height="match_parent" />
 
-    <!--
-    <TextView
-        android:id="@+id/loadingTextView"
-        android:layout_width="match_parent"
-        android:layout_height="match_parent"
-        android:gravity="center"
-        android:text="@string/cal_week_loading"
-        android:textAlignment="center"
-        android:textSize="34sp" />
-    -->
-
     <FrameLayout
         android:id="@+id/fragmentContainer"
         android:layout_width="match_parent"
diff --git a/mobile/app/src/main/res/layout/activity_loading_with_bar.xml b/mobile/app/src/main/res/layout/activity_loading_with_bar.xml
new file mode 100644
index 0000000..ff00cb3
--- /dev/null
+++ b/mobile/app/src/main/res/layout/activity_loading_with_bar.xml
@@ -0,0 +1,51 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent">
+
+    <com.google.android.material.appbar.AppBarLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:theme="@style/Theme.Solen.AppBarOverlay"
+        tools:ignore="MissingConstraints">
+
+        <androidx.appcompat.widget.Toolbar
+            android:id="@+id/toolbar"
+            android:layout_width="match_parent"
+            android:layout_height="?attr/actionBarSize"
+            android:background="?attr/colorPrimary"
+            app:popupTheme="@style/Theme.Solen.PopupOverlay"
+            app:theme="@style/Theme.Solen.AppBarOverlay"/>
+
+    <TextView
+        android:id="@+id/loadingTextView"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="93dp"
+        android:layout_marginTop="332dp"
+        android:layout_marginEnd="94dp"
+        android:layout_marginBottom="332dp"
+        android:gravity="center"
+        android:text="Načítání..."
+        android:textSize="50sp"
+        android:fontFamily="@font/roboto"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        tools:ignore="HardcodedText" />
+
+    <androidx.viewpager2.widget.ViewPager2
+        android:id="@+id/dayPager"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent" />
+
+    <FrameLayout
+        android:id="@+id/fragmentContainer"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent" />
+    </com.google.android.material.appbar.AppBarLayout>
+
+</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file
diff --git a/mobile/app/src/main/res/layout/activity_main.xml b/mobile/app/src/main/res/layout/activity_main.xml
new file mode 100644
index 0000000..0fb28ca
--- /dev/null
+++ b/mobile/app/src/main/res/layout/activity_main.xml
@@ -0,0 +1,37 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:id="@+id/main_roott"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".MainActivity">
+
+    <com.google.android.material.appbar.AppBarLayout
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:theme="@style/Theme.Solen.AppBarOverlay"
+        android:fontFamily="@font/roboto_src">
+
+        <androidx.appcompat.widget.Toolbar
+            android:id="@+id/toolbar"
+            android:layout_width="match_parent"
+            android:layout_height="?attr/actionBarSize"
+            android:background="?attr/colorPrimary"
+            app:popupTheme="@style/Theme.Solen.PopupOverlay"
+            app:theme="@style/Theme.Solen.AppBarOverlay">
+
+
+        </androidx.appcompat.widget.Toolbar>
+
+        <androidx.viewpager2.widget.ViewPager2
+            android:id="@+id/dayPager"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent" />
+
+        <FrameLayout
+            android:id="@+id/fragmentContainer"
+            android:layout_width="match_parent"
+            android:layout_height="match_parent" />
+    </com.google.android.material.appbar.AppBarLayout>
+</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file
diff --git a/mobile/app/src/main/res/layout/activity_splash_screen.xml b/mobile/app/src/main/res/layout/activity_splash_screen.xml
new file mode 100644
index 0000000..8f3b62a
--- /dev/null
+++ b/mobile/app/src/main/res/layout/activity_splash_screen.xml
@@ -0,0 +1,44 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent">
+
+    <ImageView
+        android:id="@+id/imageView4"
+        android:layout_width="700dp"
+        android:layout_height="900dp"
+        android:contentDescription="@string/background"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        app:srcCompat="@color/black" />
+
+    <ImageView
+        android:id="@+id/imageView3"
+        android:layout_width="300dp"
+        android:layout_height="300dp"
+        android:layout_marginTop="115dp"
+        android:layout_marginBottom="116dp"
+        android:contentDescription="@string/kolaonline_enhanced"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toTopOf="parent"
+        app:srcCompat="@drawable/solen" />
+
+    <ImageView
+        android:id="@+id/loading_gif"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginStart="205dp"
+        android:layout_marginEnd="206dp"
+        app:layout_constraintBottom_toBottomOf="parent"
+        app:layout_constraintEnd_toEndOf="parent"
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@+id/imageView3"
+        app:layout_constraintVertical_bias="0.0" />
+
+</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file
diff --git a/mobile/app/src/main/res/layout/fragment_day.xml b/mobile/app/src/main/res/layout/fragment_day.xml
index 66ff1fe..4ad0323 100644
--- a/mobile/app/src/main/res/layout/fragment_day.xml
+++ b/mobile/app/src/main/res/layout/fragment_day.xml
@@ -9,6 +9,7 @@
         android:id="@+id/layoutDayMain"
         android:layout_width="match_parent"
         android:layout_height="match_parent"
-        android:orientation="vertical" >
+        android:orientation="vertical"
+        android:fontFamily="@font/roboto">
     </LinearLayout>
 </androidx.constraintlayout.widget.ConstraintLayout>
diff --git a/mobile/app/src/main/res/menu/menu_main.xml b/mobile/app/src/main/res/menu/menu_main.xml
new file mode 100644
index 0000000..a098aa5
--- /dev/null
+++ b/mobile/app/src/main/res/menu/menu_main.xml
@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="utf-8"?>
+<menu xmlns:android="http://schemas.android.com/apk/res/android">
+    <item
+        android:id="@+id/item_settings"
+        android:icon="@android:drawable/ic_menu_manage"
+        android:title="@string/settings" />
+    <item
+        android:id="@+id/item_sign_in"
+        android:title="@string/sign_in" />
+    <item
+        android:id="@+id/item_refresh"
+        android:icon="@android:drawable/ic_popup_sync"
+        android:title="@string/refresh" />
+</menu>
\ No newline at end of file
diff --git a/mobile/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml b/mobile/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml
new file mode 100644
index 0000000..4ae7d12
--- /dev/null
+++ b/mobile/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml
@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@mipmap/ic_launcher_background"/>
+    <foreground android:drawable="@mipmap/ic_launcher_foreground"/>
+</adaptive-icon>
\ No newline at end of file
diff --git a/mobile/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml b/mobile/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml
new file mode 100644
index 0000000..4ae7d12
--- /dev/null
+++ b/mobile/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml
@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@mipmap/ic_launcher_background"/>
+    <foreground android:drawable="@mipmap/ic_launcher_foreground"/>
+</adaptive-icon>
\ No newline at end of file
diff --git a/mobile/app/src/main/res/mipmap-hdpi/ic_launcher.webp b/mobile/app/src/main/res/mipmap-hdpi/ic_launcher.webp
old mode 100644
new mode 100755
index c209e78..bdfe9f2
Binary files a/mobile/app/src/main/res/mipmap-hdpi/ic_launcher.webp and b/mobile/app/src/main/res/mipmap-hdpi/ic_launcher.webp differ
diff --git a/mobile/app/src/main/res/mipmap-hdpi/ic_launcher_background.webp b/mobile/app/src/main/res/mipmap-hdpi/ic_launcher_background.webp
new file mode 100644
index 0000000..cfce887
Binary files /dev/null and b/mobile/app/src/main/res/mipmap-hdpi/ic_launcher_background.webp differ
diff --git a/mobile/app/src/main/res/mipmap-hdpi/ic_launcher_foreground.webp b/mobile/app/src/main/res/mipmap-hdpi/ic_launcher_foreground.webp
new file mode 100644
index 0000000..46f2ae0
Binary files /dev/null and b/mobile/app/src/main/res/mipmap-hdpi/ic_launcher_foreground.webp differ
diff --git a/mobile/app/src/main/res/mipmap-hdpi/ic_launcher_round.webp b/mobile/app/src/main/res/mipmap-hdpi/ic_launcher_round.webp
index b2dfe3d..edf392e 100644
Binary files a/mobile/app/src/main/res/mipmap-hdpi/ic_launcher_round.webp and b/mobile/app/src/main/res/mipmap-hdpi/ic_launcher_round.webp differ
diff --git a/mobile/app/src/main/res/mipmap-mdpi/ic_launcher.webp b/mobile/app/src/main/res/mipmap-mdpi/ic_launcher.webp
index 4f0f1d6..11a115d 100644
Binary files a/mobile/app/src/main/res/mipmap-mdpi/ic_launcher.webp and b/mobile/app/src/main/res/mipmap-mdpi/ic_launcher.webp differ
diff --git a/mobile/app/src/main/res/mipmap-mdpi/ic_launcher_background.webp b/mobile/app/src/main/res/mipmap-mdpi/ic_launcher_background.webp
new file mode 100644
index 0000000..a7be543
Binary files /dev/null and b/mobile/app/src/main/res/mipmap-mdpi/ic_launcher_background.webp differ
diff --git a/mobile/app/src/main/res/mipmap-mdpi/ic_launcher_foreground.webp b/mobile/app/src/main/res/mipmap-mdpi/ic_launcher_foreground.webp
new file mode 100644
index 0000000..58b2bf3
Binary files /dev/null and b/mobile/app/src/main/res/mipmap-mdpi/ic_launcher_foreground.webp differ
diff --git a/mobile/app/src/main/res/mipmap-mdpi/ic_launcher_round.webp b/mobile/app/src/main/res/mipmap-mdpi/ic_launcher_round.webp
index 62b611d..d18c01f 100644
Binary files a/mobile/app/src/main/res/mipmap-mdpi/ic_launcher_round.webp and b/mobile/app/src/main/res/mipmap-mdpi/ic_launcher_round.webp differ
diff --git a/mobile/app/src/main/res/mipmap-xhdpi/ic_launcher.webp b/mobile/app/src/main/res/mipmap-xhdpi/ic_launcher.webp
index 948a307..5d20516 100644
Binary files a/mobile/app/src/main/res/mipmap-xhdpi/ic_launcher.webp and b/mobile/app/src/main/res/mipmap-xhdpi/ic_launcher.webp differ
diff --git a/mobile/app/src/main/res/mipmap-xhdpi/ic_launcher_background.webp b/mobile/app/src/main/res/mipmap-xhdpi/ic_launcher_background.webp
new file mode 100644
index 0000000..afa1395
Binary files /dev/null and b/mobile/app/src/main/res/mipmap-xhdpi/ic_launcher_background.webp differ
diff --git a/mobile/app/src/main/res/mipmap-xhdpi/ic_launcher_foreground.webp b/mobile/app/src/main/res/mipmap-xhdpi/ic_launcher_foreground.webp
new file mode 100644
index 0000000..eda666d
Binary files /dev/null and b/mobile/app/src/main/res/mipmap-xhdpi/ic_launcher_foreground.webp differ
diff --git a/mobile/app/src/main/res/mipmap-xhdpi/ic_launcher_round.webp b/mobile/app/src/main/res/mipmap-xhdpi/ic_launcher_round.webp
index 1b9a695..293a2f4 100644
Binary files a/mobile/app/src/main/res/mipmap-xhdpi/ic_launcher_round.webp and b/mobile/app/src/main/res/mipmap-xhdpi/ic_launcher_round.webp differ
diff --git a/mobile/app/src/main/res/mipmap-xxhdpi/ic_launcher.webp b/mobile/app/src/main/res/mipmap-xxhdpi/ic_launcher.webp
index 28d4b77..5aa40f1 100644
Binary files a/mobile/app/src/main/res/mipmap-xxhdpi/ic_launcher.webp and b/mobile/app/src/main/res/mipmap-xxhdpi/ic_launcher.webp differ
diff --git a/mobile/app/src/main/res/mipmap-xxhdpi/ic_launcher_background.webp b/mobile/app/src/main/res/mipmap-xxhdpi/ic_launcher_background.webp
new file mode 100644
index 0000000..7ddedea
Binary files /dev/null and b/mobile/app/src/main/res/mipmap-xxhdpi/ic_launcher_background.webp differ
diff --git a/mobile/app/src/main/res/mipmap-xxhdpi/ic_launcher_foreground.webp b/mobile/app/src/main/res/mipmap-xxhdpi/ic_launcher_foreground.webp
new file mode 100644
index 0000000..57fd0cf
Binary files /dev/null and b/mobile/app/src/main/res/mipmap-xxhdpi/ic_launcher_foreground.webp differ
diff --git a/mobile/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.webp b/mobile/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.webp
index 9287f50..cbaa363 100644
Binary files a/mobile/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.webp and b/mobile/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.webp differ
diff --git a/mobile/app/src/main/res/mipmap-xxxhdpi/ic_launcher.webp b/mobile/app/src/main/res/mipmap-xxxhdpi/ic_launcher.webp
index aa7d642..33ad949 100644
Binary files a/mobile/app/src/main/res/mipmap-xxxhdpi/ic_launcher.webp and b/mobile/app/src/main/res/mipmap-xxxhdpi/ic_launcher.webp differ
diff --git a/mobile/app/src/main/res/mipmap-xxxhdpi/ic_launcher_background.webp b/mobile/app/src/main/res/mipmap-xxxhdpi/ic_launcher_background.webp
new file mode 100644
index 0000000..4e478bd
Binary files /dev/null and b/mobile/app/src/main/res/mipmap-xxxhdpi/ic_launcher_background.webp differ
diff --git a/mobile/app/src/main/res/mipmap-xxxhdpi/ic_launcher_foreground.webp b/mobile/app/src/main/res/mipmap-xxxhdpi/ic_launcher_foreground.webp
new file mode 100644
index 0000000..be57ceb
Binary files /dev/null and b/mobile/app/src/main/res/mipmap-xxxhdpi/ic_launcher_foreground.webp differ
diff --git a/mobile/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.webp b/mobile/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.webp
index 9126ae3..e723f1f 100644
Binary files a/mobile/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.webp and b/mobile/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.webp differ
diff --git a/mobile/app/src/main/res/solen.png b/mobile/app/src/main/res/solen.png
new file mode 100755
index 0000000..ec2b804
Binary files /dev/null and b/mobile/app/src/main/res/solen.png differ
diff --git a/mobile/app/src/main/res/values/colors.xml b/mobile/app/src/main/res/values/colors.xml
index ca3ba9f..4022e64 100644
--- a/mobile/app/src/main/res/values/colors.xml
+++ b/mobile/app/src/main/res/values/colors.xml
@@ -2,7 +2,8 @@
 <resources>
     <color name="purple_200">#FFED7D31</color>
     <color name="purple_500">#FF6C5F5B</color>
-    <color name="purple_700">#FF4F4A45</color>
+    <color name="purple_700">#FF000000</color>
+    <!--<color name="purple_700">#FF4F4A45</color>-->
     <color name="teal_200">#FFF6F1EE</color>
     <color name="teal_700">#FFF6F1EE</color>
     <color name="black">#FF000000</color>
diff --git a/mobile/app/src/main/res/values/font_certs.xml b/mobile/app/src/main/res/values/font_certs.xml
new file mode 100644
index 0000000..d2226ac
--- /dev/null
+++ b/mobile/app/src/main/res/values/font_certs.xml
@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <array name="com_google_android_gms_fonts_certs">
+        <item>@array/com_google_android_gms_fonts_certs_dev</item>
+        <item>@array/com_google_android_gms_fonts_certs_prod</item>
+    </array>
+    <string-array name="com_google_android_gms_fonts_certs_dev">
+        <item>
+            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
+        </item>
+    </string-array>
+    <string-array name="com_google_android_gms_fonts_certs_prod">
+        <item>
+            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
+        </item>
+    </string-array>
+</resources>
diff --git a/mobile/app/src/main/res/values/preloaded_fonts.xml b/mobile/app/src/main/res/values/preloaded_fonts.xml
new file mode 100644
index 0000000..e19e7c9
--- /dev/null
+++ b/mobile/app/src/main/res/values/preloaded_fonts.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <array name="preloaded_fonts" translatable="false">
+        <item>@font/roboto_src</item>
+    </array>
+</resources>
diff --git a/mobile/app/src/main/res/values/strings.xml b/mobile/app/src/main/res/values/strings.xml
index e3d3797..a97f3b6 100644
--- a/mobile/app/src/main/res/values/strings.xml
+++ b/mobile/app/src/main/res/values/strings.xml
@@ -1,14 +1,11 @@
-<resources>
+<resources xmlns:tools="http://schemas.android.com/tools">
     <string name="app_name">Solen</string>
-    <string name="navigation_drawer_open">Open navigation drawer</string>
-    <string name="navigation_drawer_close">Close navigation drawer</string>
-    <string name="nav_header_title">Solen</string>
-    <string name="nav_header_subtitle">android.studio@android.com</string>
-    <string name="nav_header_desc">Navigation header</string>
-    <string name="action_settings">Settings</string>
 
     <string name="menu_cal_week">Calendar for this week</string>
-    <string name="menu_home">Home</string>
-    <string name="menu_slideshow">Slideshow</string>
-    <string name="cal_week_loading">Loading the calendar for this week...</string>
+    <string name="kolaonline_enhanced">ŠkolaOnLine Enhanced</string>
+    <string name="splash_image">splash image</string>
+    <string name="background">background</string>
+    <string name="settings">Settings</string>
+    <string name="sign_in">Sign In</string>
+    <string name="refresh">Refresh</string>
 </resources>
\ No newline at end of file