diff --git a/mobile/src/main/AndroidManifest.xml b/mobile/src/main/AndroidManifest.xml
index b6ec9f4..89ddf59 100644
--- a/mobile/src/main/AndroidManifest.xml
+++ b/mobile/src/main/AndroidManifest.xml
@@ -13,17 +13,14 @@
         <activity
             android:name=".FillTemplateActivity"
             android:exported="false"
-            android:label="@string/title_activity_fill_template"
             android:theme="@style/Theme.OmniCards" />
         <activity
             android:name=".SelectTemplateActivity"
             android:exported="false"
-            android:label="@string/title_activity_select_template"
             android:theme="@style/Theme.OmniCards" />
         <activity
             android:name=".ChooseColorActivity"
             android:exported="false"
-            android:label="@string/title_activity_choose_color"
             android:theme="@style/Theme.OmniCards" />
         <activity
             android:name=".BackupActivity"
@@ -33,10 +30,6 @@
             android:name=".EditCardActivity"
             android:exported="false"
             android:theme="@style/Theme.OmniCards" />
-        <activity
-            android:name=".SelectColorActivity"
-            android:exported="false"
-            android:theme="@style/Theme.OmniCards" />
         <activity
             android:name=".ShowCardActivity"
             android:exported="false"
diff --git a/mobile/src/main/java/ru/omni_devel/cards/BackupActivity.kt b/mobile/src/main/java/ru/omni_devel/cards/BackupActivity.kt
index 7424bac..957f109 100644
--- a/mobile/src/main/java/ru/omni_devel/cards/BackupActivity.kt
+++ b/mobile/src/main/java/ru/omni_devel/cards/BackupActivity.kt
@@ -11,6 +11,7 @@ import androidx.activity.enableEdgeToEdge
 import androidx.activity.result.contract.ActivityResultContracts
 import androidx.compose.foundation.layout.PaddingValues
 import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.foundation.layout.fillMaxWidth
 import androidx.compose.material3.AlertDialog
 import androidx.compose.material3.Scaffold
 import androidx.compose.material3.Text
@@ -132,14 +133,16 @@ fun BackupPage(innerPadding: PaddingValues, getDbFun: () -> DbHelper) {
     }
 
     Page(stringResource(R.string.backup), innerPadding) {
-        FullWidthButton(
+        AdaptiveButton(
+            modifier = Modifier.fillMaxWidth(),
             onClick = {
                 createBackupLauncher.launch("omnicards-backup.json")
             }
         ) {
             Text(stringResource(R.string.do_backup))
         }
-        FullWidthButton(
+        AdaptiveButton(
+            modifier = Modifier.fillMaxWidth(),
             onClick = {
                 restoreFromBackupLauncher.launch("application/json")
             }
diff --git a/mobile/src/main/java/ru/omni_devel/cards/ChooseColorActivity.kt b/mobile/src/main/java/ru/omni_devel/cards/ChooseColorActivity.kt
index 8b6df75..235fdc5 100644
--- a/mobile/src/main/java/ru/omni_devel/cards/ChooseColorActivity.kt
+++ b/mobile/src/main/java/ru/omni_devel/cards/ChooseColorActivity.kt
@@ -100,7 +100,7 @@ fun EditColorPage(innerPadding: PaddingValues, currentColor: String?) {
                 }
             )
 
-            Button(
+            AdaptiveButton(
                 modifier = Modifier.fillMaxWidth(),
                 onClick = {
                     val resultIntent = Intent()
diff --git a/mobile/src/main/java/ru/omni_devel/cards/EditCardActivity.kt b/mobile/src/main/java/ru/omni_devel/cards/EditCardActivity.kt
index b39d438..416647d 100644
--- a/mobile/src/main/java/ru/omni_devel/cards/EditCardActivity.kt
+++ b/mobile/src/main/java/ru/omni_devel/cards/EditCardActivity.kt
@@ -2,7 +2,6 @@ package ru.omni_devel.cards
 
 import android.app.Activity
 import android.content.Intent
-import android.content.res.Configuration
 import android.os.Bundle
 import android.widget.Toast
 import androidx.activity.ComponentActivity
@@ -17,15 +16,10 @@ import androidx.compose.foundation.layout.Box
 import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.PaddingValues
 import androidx.compose.foundation.layout.Row
-import androidx.compose.foundation.layout.fillMaxHeight
 import androidx.compose.foundation.layout.fillMaxSize
 import androidx.compose.foundation.layout.fillMaxWidth
-import androidx.compose.foundation.layout.height
-import androidx.compose.foundation.layout.padding
-import androidx.compose.foundation.layout.width
 import androidx.compose.foundation.rememberScrollState
 import androidx.compose.foundation.verticalScroll
-import androidx.compose.material3.Button
 import androidx.compose.material3.DropdownMenu
 import androidx.compose.material3.DropdownMenuItem
 import androidx.compose.material3.OutlinedTextField
@@ -37,17 +31,10 @@ import androidx.compose.runtime.getValue
 import androidx.compose.runtime.setValue
 import androidx.compose.runtime.mutableStateOf
 import androidx.compose.runtime.saveable.rememberSaveable
-import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
-import androidx.compose.ui.graphics.Color
-import androidx.compose.ui.platform.LocalConfiguration
 import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.unit.dp
-import androidx.core.graphics.toColorInt
-import com.github.skydoves.colorpicker.compose.ColorEnvelope
-import com.github.skydoves.colorpicker.compose.HsvColorPicker
-import com.github.skydoves.colorpicker.compose.rememberColorPickerController
 import com.google.zxing.BarcodeFormat
 import com.journeyapps.barcodescanner.ScanContract
 import com.journeyapps.barcodescanner.ScanOptions
@@ -145,14 +132,14 @@ fun CardEditable(
         label = { Text(stringResource(R.string.card_value)) }
     )
 
-    Button(
+    AdaptiveButton(
         modifier = Modifier.fillMaxWidth(),
         onClick = {
             scanLauncher.launch(
                 ScanOptions().apply {
                     setPrompt(context.getString(R.string.scan_your_card))
                     setBeepEnabled(true)
-                    setOrientationLocked(false)
+                    setOrientationLocked(true)
                 }
             )
         }
@@ -160,7 +147,7 @@ fun CardEditable(
         Text(stringResource(R.string.do_scan_card))
     }
 
-    Button(
+    AdaptiveButton(
         modifier = Modifier.fillMaxWidth(),
         onClick = {
             val intent = Intent(context, SelectTemplateActivity::class.java)
@@ -207,9 +194,10 @@ fun CardEditable(
 
     Row(
         modifier = fieldModifier,
-        horizontalArrangement = Arrangement.SpaceBetween
+        horizontalArrangement = Arrangement.spacedBy(8.dp)
     ) {
-        Button(
+        AdaptiveButton(
+            modifier = Modifier.fillMaxWidth().weight(1.0f),
             enabled = isColorEnabled,
             onClick = {
                 val intent = Intent(context, ChooseColorActivity::class.java)
@@ -263,7 +251,7 @@ fun AddCard(innerPadding: PaddingValues, getDbFun: () -> DbHelper) {
                 onColorChange = { color = it }
             )
 
-            Button(
+            AdaptiveButton(
                 modifier = Modifier.fillMaxWidth(),
                 onClick = {
                     cardName = cardName.trim()
@@ -312,7 +300,7 @@ fun EditCard(cardInfo: CardInfo, innerPadding: PaddingValues, getDbFun: () -> Db
                 onColorChange = { color = it }
             )
 
-            Button(
+            AdaptiveButton(
                 modifier = Modifier.fillMaxWidth(),
                 onClick = {
                     cardName = cardName.trim()
diff --git a/mobile/src/main/java/ru/omni_devel/cards/Elements.kt b/mobile/src/main/java/ru/omni_devel/cards/Elements.kt
index 1fca4ed..c6f7e92 100644
--- a/mobile/src/main/java/ru/omni_devel/cards/Elements.kt
+++ b/mobile/src/main/java/ru/omni_devel/cards/Elements.kt
@@ -3,15 +3,18 @@ package ru.omni_devel.cards
 import android.content.Intent
 import androidx.activity.compose.BackHandler
 import androidx.activity.compose.LocalActivity
+import androidx.compose.foundation.BorderStroke
 import androidx.compose.foundation.background
 import androidx.compose.foundation.clickable
 import androidx.compose.foundation.gestures.detectTapGestures
+import androidx.compose.foundation.interaction.MutableInteractionSource
 import androidx.compose.foundation.layout.Arrangement
 import androidx.compose.foundation.layout.Box
 import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.IntrinsicSize
 import androidx.compose.foundation.layout.PaddingValues
 import androidx.compose.foundation.layout.Row
+import androidx.compose.foundation.layout.RowScope
 import androidx.compose.foundation.layout.fillMaxHeight
 import androidx.compose.foundation.layout.fillMaxSize
 import androidx.compose.foundation.layout.fillMaxWidth
@@ -20,7 +23,9 @@ import androidx.compose.foundation.layout.padding
 import androidx.compose.foundation.layout.width
 import androidx.compose.foundation.shape.RoundedCornerShape
 import androidx.compose.material3.Button
+import androidx.compose.material3.ButtonColors
 import androidx.compose.material3.ButtonDefaults
+import androidx.compose.material3.ButtonElevation
 import androidx.compose.material3.DrawerValue
 import androidx.compose.material3.DropdownMenu
 import androidx.compose.material3.DropdownMenuItem
@@ -40,7 +45,9 @@ import androidx.compose.runtime.rememberCoroutineScope
 import androidx.compose.ui.Modifier
 import androidx.compose.runtime.setValue
 import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier.Companion
 import androidx.compose.ui.graphics.Color
+import androidx.compose.ui.graphics.Shape
 import androidx.compose.ui.input.pointer.pointerInput
 import androidx.compose.ui.platform.LocalContext
 import androidx.compose.ui.res.stringResource
@@ -119,7 +126,9 @@ fun Page(name: String, innerPadding: PaddingValues, pages: List<NavigationPageDa
                     .padding(horizontal = 16.dp)
                     .padding(top = 16.dp)
             ) {
-                Column() {
+                Column(
+                    verticalArrangement = Arrangement.spacedBy(8.dp)
+                ) {
                     content()
                 }
             }
@@ -172,7 +181,7 @@ fun CardButton(cardInfo: CardInfo, onDeleteCard: (Int) -> Unit) {
                         }
                     )
                 },
-            shape = RoundedCornerShape(12.dp),
+            shape = ButtonDefaults.shape,
             color = MaterialTheme.colorScheme.primaryContainer,
             tonalElevation = 2.dp
         ) {
@@ -232,11 +241,30 @@ fun CardButton(cardInfo: CardInfo, onDeleteCard: (Int) -> Unit) {
 }
 
 @Composable
-fun FullWidthButton(onClick: () -> Unit, content: @Composable () -> Unit) {
+fun AdaptiveButton(
+    onClick: () -> Unit,
+    modifier: Modifier = Modifier,
+    enabled: Boolean = true,
+    shape: Shape = ButtonDefaults.shape,
+    elevation: ButtonElevation? = ButtonDefaults.buttonElevation(),
+    border: BorderStroke? = null,
+    contentPadding: PaddingValues = ButtonDefaults.ContentPadding,
+    interactionSource: MutableInteractionSource? = null,
+    content: @Composable RowScope.() -> Unit
+) {
     Button(
-        modifier = Modifier.fillMaxWidth(),
-        onClick = onClick
-    ) {
-        content()
-    }
+        onClick = onClick,
+        modifier = modifier,
+        enabled = enabled,
+        shape = shape,
+        colors = ButtonDefaults.buttonColors(
+            containerColor = MaterialTheme.colorScheme.primaryContainer,
+            contentColor = MaterialTheme.colorScheme.onPrimaryContainer
+        ),
+        elevation = elevation,
+        border = border,
+        contentPadding = contentPadding,
+        interactionSource = interactionSource,
+        content = content
+    )
 }
diff --git a/mobile/src/main/java/ru/omni_devel/cards/FillTemplateActivity.kt b/mobile/src/main/java/ru/omni_devel/cards/FillTemplateActivity.kt
index a575a4f..9d8278a 100644
--- a/mobile/src/main/java/ru/omni_devel/cards/FillTemplateActivity.kt
+++ b/mobile/src/main/java/ru/omni_devel/cards/FillTemplateActivity.kt
@@ -92,7 +92,7 @@ fun FillTemplatePage(template: Template, innerPadding: PaddingValues) {
             )
         }
 
-        Button(
+        AdaptiveButton(
             modifier = Modifier.fillMaxWidth(),
             onClick = {
                 var isSuccess = true
@@ -106,7 +106,7 @@ fun FillTemplatePage(template: Template, innerPadding: PaddingValues) {
                 if (!isSuccess) {
                     Toast.makeText(context, context.getString(R.string.error_in_data), Toast.LENGTH_LONG).show()
 
-                    return@Button
+                    return@AdaptiveButton
                 }
 
                 var result = template.template
diff --git a/mobile/src/main/java/ru/omni_devel/cards/SelectTemplateActivity.kt b/mobile/src/main/java/ru/omni_devel/cards/SelectTemplateActivity.kt
index d3edd45..f2e4925 100644
--- a/mobile/src/main/java/ru/omni_devel/cards/SelectTemplateActivity.kt
+++ b/mobile/src/main/java/ru/omni_devel/cards/SelectTemplateActivity.kt
@@ -109,8 +109,8 @@ fun SelectTemplatePage(innerPadding: PaddingValues) {
                 )
             } else {
                 for (template in templates) {
-                    Button(
-                        modifier = Modifier.fillMaxWidth().background(MaterialTheme.colorScheme.primaryContainer),
+                    AdaptiveButton(
+                        modifier = Modifier.fillMaxWidth(),
                         onClick = {
                             val intent = Intent(context, FillTemplateActivity::class.java)
 
diff --git a/mobile/src/main/res/values-ru/strings.xml b/mobile/src/main/res/values-ru/strings.xml
index 39b21b7..149a4fb 100644
--- a/mobile/src/main/res/values-ru/strings.xml
+++ b/mobile/src/main/res/values-ru/strings.xml
@@ -37,7 +37,7 @@
     <string name="do_choose_color">Выбрать цвет</string>
     <string name="choosing_color">Выбор цвета</string>
     <string name="choosing_template">Выбор шаблона</string>
-    <string name="error_in_data">Ошибка в данных</string>
+    <string name="error_in_data">Ошибка в данных. Пожалуйста, заполните все необходимые (*) поля</string>
     <string name="card_name_should_not_be_empty">Имя карты не должно быть пустым</string>
     <string name="card_value_should_not_be_empty">Значение карты не должно быть пустым</string>
     <string name="name_must_be_shorter_than_32_symbols">Имя карты должно быть короче 32 символов</string>
diff --git a/mobile/src/main/res/values/strings.xml b/mobile/src/main/res/values/strings.xml
index b8e9684..c5ae562 100644
--- a/mobile/src/main/res/values/strings.xml
+++ b/mobile/src/main/res/values/strings.xml
@@ -42,13 +42,10 @@
     <string name="do_choose_color">Choose color</string>
     <string name="choosing_color">Choosing color</string>
     <string name="choosing_template">Choosing template</string>
-    <string name="error_in_data">Error in data</string>
+    <string name="error_in_data">Error in data. Please, fill all required (*) fields</string>
     <string name="card_name_should_not_be_empty">Card name must not be empty</string>
     <string name="card_value_should_not_be_empty">Card value must not be empty</string>
     <string name="name_must_be_shorter_than_32_symbols">Card name must be shorter than 32 characters</string>
 
     <string name="failed_to_generate_card_code">Failed to generate card code. Check the card data</string>
-    <string name="title_activity_choose_color">ChooseColorActivity</string>
-    <string name="title_activity_select_template">SelectTemplateActivity</string>
-    <string name="title_activity_fill_template">FillTemplateActivity</string>
 </resources>
\ No newline at end of file