diff --git a/app/app-release.apk b/app/app-release.apk
index 65a865d..4149b24 100644
Binary files a/app/app-release.apk and b/app/app-release.apk differ
diff --git a/app/build.gradle b/app/build.gradle
index 4204251..6cae1ff 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -16,9 +16,9 @@ android {
     buildToolsVersion "21.1.2"
     defaultConfig {
         applicationId "ua.samosfator.moduleok"
-        minSdkVersion 14
+        minSdkVersion 10
         targetSdkVersion 21
-        versionCode 1
+        versionCode 2
         versionName "0.5.0"
         signingConfig signingConfigs.config
     }
diff --git a/app/manifest-merger-release-report.txt b/app/manifest-merger-release-report.txt
index fa7e19e..63906f5 100644
--- a/app/manifest-merger-release-report.txt
+++ b/app/manifest-merger-release-report.txt
@@ -27,6 +27,8 @@ MERGED from com.android.support:appcompat-v7:21.0.3:16:5
 MERGED from com.android.support:support-v4:21.0.3:16:5
 MERGED from com.android.support:recyclerview-v7:21.0.3:17:5
 MERGED from com.android.support:support-v4:21.0.3:16:5
+MERGED from com.google.android.gms:play-services-base:6.5.87:20:5
+MERGED from com.android.support:support-v4:21.0.3:16:5
 MERGED from com.android.support:appcompat-v7:21.0.3:16:5
 MERGED from com.android.support:support-v4:21.0.3:16:5
 MERGED from com.balysv:material-ripple:1.0.0:12:5
@@ -63,28 +65,37 @@ action#android.net.conn.CONNECTIVITY_CHANGE
 ADDED from AndroidManifest.xml:21:17
 	android:name
 		ADDED from AndroidManifest.xml:21:25
-activity#ua.samosfator.moduleok.MainActivity
+meta-data#com.google.android.gms.version
 ADDED from AndroidManifest.xml:25:9
+MERGED from com.google.android.gms:play-services-base:6.5.87:21:9
+	android:value
+		ADDED from AndroidManifest.xml:26:20
+	android:name
+		ADDED from AndroidManifest.xml:25:20
+activity#ua.samosfator.moduleok.MainActivity
+ADDED from AndroidManifest.xml:28:9
 	android:label
-		ADDED from AndroidManifest.xml:27:13
+		ADDED from AndroidManifest.xml:30:13
 	android:name
-		ADDED from AndroidManifest.xml:26:13
+		ADDED from AndroidManifest.xml:29:13
 intent-filter#android.intent.action.MAIN+android.intent.category.LAUNCHER
-ADDED from AndroidManifest.xml:28:13
+ADDED from AndroidManifest.xml:31:13
 action#android.intent.action.MAIN
-ADDED from AndroidManifest.xml:29:17
+ADDED from AndroidManifest.xml:32:17
 	android:name
-		ADDED from AndroidManifest.xml:29:25
+		ADDED from AndroidManifest.xml:32:25
 category#android.intent.category.LAUNCHER
-ADDED from AndroidManifest.xml:31:17
+ADDED from AndroidManifest.xml:34:17
 	android:name
-		ADDED from AndroidManifest.xml:31:27
+		ADDED from AndroidManifest.xml:34:27
 uses-sdk
 INJECTED from AndroidManifest.xml:0:0 reason: use-sdk injection requested
 MERGED from com.android.support:appcompat-v7:21.0.3:15:5
 MERGED from com.android.support:support-v4:21.0.3:15:5
 MERGED from com.android.support:recyclerview-v7:21.0.3:15:5
 MERGED from com.android.support:support-v4:21.0.3:15:5
+MERGED from com.google.android.gms:play-services-base:6.5.87:18:5
+MERGED from com.android.support:support-v4:21.0.3:15:5
 MERGED from com.rengwuxian.materialedittext:library:1.7.1:6:5
 MERGED from com.android.support:appcompat-v7:21.0.3:15:5
 MERGED from com.android.support:support-v4:21.0.3:15:5
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 5360e15..5471d50 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -1,10 +1,13 @@
 <?xml version="1.0" encoding="utf-8"?>
 <manifest xmlns:android="http://schemas.android.com/apk/res/android"
+          xmlns:tools="http://schemas.android.com/tools"
           package="ua.samosfator.moduleok">
 
     <uses-permission android:name="android.permission.INTERNET"/>
     <uses-permission android:name="android.permission.ACCESS_NETWORK_STATE"/>
 
+    <uses-sdk tools:overrideLibrary="com.balysv.materialripple, com.dd.circular.progress.button"/>
+
     <application
         android:allowBackup="true"
         android:largeHeap="false"
diff --git a/app/src/main/java/ua/samosfator/moduleok/App.java b/app/src/main/java/ua/samosfator/moduleok/App.java
index 91543b3..5a1de2b 100644
--- a/app/src/main/java/ua/samosfator/moduleok/App.java
+++ b/app/src/main/java/ua/samosfator/moduleok/App.java
@@ -9,6 +9,7 @@
 import android.graphics.Point;
 import android.net.ConnectivityManager;
 import android.net.NetworkInfo;
+import android.os.Build;
 import android.view.Display;
 import android.view.WindowManager;
 
@@ -89,4 +90,8 @@ public static boolean isServiceRunning(Class<? extends Service> serviceClass) {
         }
         return false;
     }
+
+    public static boolean is_4_0_OrLater() {
+        return Build.VERSION.SDK_INT >= Build.VERSION_CODES.ICE_CREAM_SANDWICH;
+    }
 }
\ No newline at end of file
diff --git a/app/src/main/java/ua/samosfator/moduleok/fragment/LoginFragment.java b/app/src/main/java/ua/samosfator/moduleok/fragment/LoginFragment.java
index 7f425b7..53862b1 100644
--- a/app/src/main/java/ua/samosfator/moduleok/fragment/LoginFragment.java
+++ b/app/src/main/java/ua/samosfator/moduleok/fragment/LoginFragment.java
@@ -9,6 +9,7 @@
 import android.view.View;
 import android.view.ViewGroup;
 import android.view.inputmethod.EditorInfo;
+import android.widget.Button;
 
 import com.dd.CircularProgressButton;
 import com.rengwuxian.materialedittext.MaterialEditText;
@@ -24,7 +25,7 @@
 import ua.samosfator.moduleok.event.LoginEvent;
 
 public class LoginFragment extends Fragment {
-    private CircularProgressButton login_button;
+    private Button login_button;
     private MaterialEditText login_txt;
     private MaterialEditText password_txt;
 
@@ -109,7 +110,11 @@ private void doLogin(final String login, final String password) {
     private void initViews() {
         login_txt = (MaterialEditText) rootView.findViewById(R.id.login_editText);
         password_txt = (MaterialEditText) rootView.findViewById(R.id.password_editText);
-        login_button = (CircularProgressButton) rootView.findViewById(R.id.btnWithText);
+        if (App.is_4_0_OrLater()) {
+            login_button = (CircularProgressButton) rootView.findViewById(R.id.btnWithText);
+        } else {
+            login_button = (Button) rootView.findViewById(R.id.btnWithText);
+        }
     }
 
     public LoginFragment restoreView() {
@@ -135,8 +140,12 @@ private void enableInputs(final boolean bool) {
         new Handler(Looper.getMainLooper()).post(() -> {
             login_txt.setEnabled(bool);
             password_txt.setEnabled(bool);
-            login_button.setIndeterminateProgressMode(!bool);
-            login_button.setProgress(bool ? 0 : 50);
+            if (App.is_4_0_OrLater()) {
+                ((CircularProgressButton) login_button).setIndeterminateProgressMode(!bool);
+                ((CircularProgressButton) login_button).setProgress(bool ? 0 : 50);
+            } else {
+                login_button.setEnabled(bool);
+            }
         });
     }
 }
diff --git a/app/src/main/java/ua/samosfator/moduleok/fragment/navigation_drawer_fragment/NavigationDrawerToggle.java b/app/src/main/java/ua/samosfator/moduleok/fragment/navigation_drawer_fragment/NavigationDrawerToggle.java
index 3f91bcb..3eddffd 100644
--- a/app/src/main/java/ua/samosfator/moduleok/fragment/navigation_drawer_fragment/NavigationDrawerToggle.java
+++ b/app/src/main/java/ua/samosfator/moduleok/fragment/navigation_drawer_fragment/NavigationDrawerToggle.java
@@ -1,12 +1,15 @@
 package ua.samosfator.moduleok.fragment.navigation_drawer_fragment;
 
+import android.annotation.TargetApi;
 import android.app.Activity;
+import android.os.Build;
 import android.support.v4.app.FragmentActivity;
 import android.support.v4.widget.DrawerLayout;
 import android.support.v7.app.ActionBarDrawerToggle;
 import android.support.v7.widget.Toolbar;
 import android.view.View;
 
+import ua.samosfator.moduleok.App;
 import ua.samosfator.moduleok.Preferences;
 
 public class NavigationDrawerToggle extends ActionBarDrawerToggle {
@@ -22,19 +25,25 @@ public NavigationDrawerToggle(Activity activity, DrawerLayout drawerLayout, Tool
         drawerLayout.post(this::syncState);
     }
 
+    @TargetApi(Build.VERSION_CODES.HONEYCOMB)
     @Override
     public void onDrawerOpened(View drawerView) {
         super.onDrawerOpened(drawerView);
         if (!mUserSawDrawer) {
             saveUserSawDrawerState();
         }
-        activity.invalidateOptionsMenu();
+        if (App.is_4_0_OrLater()) {
+            activity.invalidateOptionsMenu();
+        }
     }
 
+    @TargetApi(Build.VERSION_CODES.HONEYCOMB)
     @Override
     public void onDrawerClosed(View drawerView) {
         super.onDrawerClosed(drawerView);
-        activity.invalidateOptionsMenu();
+        if (App.is_4_0_OrLater()) {
+            activity.invalidateOptionsMenu();
+        }
     }
 
     private void saveUserSawDrawerState() {
diff --git a/app/src/main/res/layout-v10/fragment_login.xml b/app/src/main/res/layout-v10/fragment_login.xml
new file mode 100644
index 0000000..338cfee
--- /dev/null
+++ b/app/src/main/res/layout-v10/fragment_login.xml
@@ -0,0 +1,74 @@
+<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
+                xmlns:tools="http://schemas.android.com/tools"
+                xmlns:app="http://schemas.android.com/apk/res-auto"
+                android:layout_width="match_parent"
+                android:layout_height="match_parent"
+                android:paddingBottom="32dp"
+                tools:context="ua.samosfator.moduleok.fragment.LoginFragment">
+
+    <TextView
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:textAppearance="?android:attr/textAppearanceMedium"
+        android:text="@string/login_explanation"
+        android:id="@+id/textView"
+        android:padding="16dp"
+        android:gravity="center"
+        android:layout_marginBottom="24dp"
+        android:textColor="@color/textColorPrimary"
+        android:textSize="26sp"
+        android:background="@color/colorPrimary"
+        android:layout_above="@+id/login_editText"
+        android:layout_alignParentTop="true"
+        android:layout_alignParentLeft="true"
+        android:layout_alignParentStart="true"
+        android:layout_alignParentRight="true"
+        android:layout_alignParentEnd="true"/>
+
+    <com.rengwuxian.materialedittext.MaterialEditText
+        app:baseColor="@color/grey_900"
+        app:primaryColor="@color/colorPrimary"
+        app:floatingLabel="normal"
+        app:minCharacters="4"
+        app:maxCharacters="16"
+        android:id="@+id/login_editText"
+        android:layout_width="@dimen/login_fields_with"
+        android:layout_height="wrap_content"
+        android:text=""
+        android:textSize="16sp"
+        android:hint="@string/login_editText_hint"
+        android:layout_centerVertical="true"
+        android:layout_centerHorizontal="true"
+        android:inputType="textNoSuggestions"/>
+
+    <com.rengwuxian.materialedittext.MaterialEditText
+        app:baseColor="@color/grey_900"
+        app:primaryColor="@color/colorPrimary"
+        app:floatingLabel="normal"
+        app:minCharacters="4"
+        app:maxCharacters="16"
+        android:id="@+id/password_editText"
+        android:layout_width="@dimen/login_fields_with"
+        android:layout_height="wrap_content"
+        android:text=""
+        android:textSize="16sp"
+        android:layout_below="@+id/login_editText"
+        android:layout_centerHorizontal="true"
+        android:hint="@string/password_editText_hint"
+        android:layout_marginTop="8dp"
+        android:inputType="textPassword"/>
+
+        <Button
+            android:layout_below="@+id/password_editText"
+            android:layout_alignRight="@+id/password_editText"
+            android:layout_alignEnd="@+id/password_editText"
+            android:layout_marginTop="42dp"
+            android:id="@+id/btnWithText"
+            android:layout_width="@dimen/login_fields_with"
+            android:layout_height="64dp"
+            android:textColor="@color/grey_100"
+            android:textSize="18sp"
+            android:text="@string/login_btn_txt"
+            android:background="@drawable/button_ripple"/>
+
+</RelativeLayout>
\ No newline at end of file
diff --git a/app/src/main/res/layout-v10/fragment_section_item_drawer.xml b/app/src/main/res/layout-v10/fragment_section_item_drawer.xml
new file mode 100644
index 0000000..ab04ce8
--- /dev/null
+++ b/app/src/main/res/layout-v10/fragment_section_item_drawer.xml
@@ -0,0 +1,25 @@
+<?xml version="1.0" encoding="utf-8"?>
+<FrameLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_height="match_parent"
+    android:layout_width="match_parent">
+
+    <Button
+        android:id="@+id/section_text"
+        android:layout_width="match_parent"
+        android:layout_height="48dp"
+        android:text="Section name"
+        android:paddingLeft="16dp"
+        android:paddingRight="16dp"
+        android:paddingBottom="8dp"
+        android:paddingTop="8dp"
+        android:textAllCaps="false"
+        android:textSize="16sp"
+        android:fontFamily="sans-serif-light"
+        android:gravity="center_vertical"
+        android:drawableLeft="@drawable/ic_login_grey600_24dp"
+        android:drawablePadding="32dp"
+        tools:ignore="RtlHardcoded"
+        android:background="@drawable/empty"/>
+</FrameLayout>
\ No newline at end of file
diff --git a/app/src/main/res/layout-v10/fragment_subject_item.xml b/app/src/main/res/layout-v10/fragment_subject_item.xml
new file mode 100644
index 0000000..3a6ebf8
--- /dev/null
+++ b/app/src/main/res/layout-v10/fragment_subject_item.xml
@@ -0,0 +1,106 @@
+<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+              xmlns:tools="http://schemas.android.com/tools"
+              xmlns:app="http://schemas.android.com/apk/res-auto"
+              android:id="@+id/subject_item_layout"
+              android:layout_width="match_parent"
+              android:layout_height="wrap_content"
+              android:layout_margin="0dp"
+              android:orientation="horizontal"
+              tools:context="ua.samosfator.moduleok.fragment.last_total_fragment.LastTotalFragment">
+
+        <LinearLayout
+            android:layout_width="match_parent"
+            android:padding="8dp"
+            android:layout_height="wrap_content">
+
+            <ViewFlipper
+                android:id="@+id/subject_score_view_flipper"
+                android:layout_width="wrap_content"
+                android:layout_gravity="center_vertical"
+                android:layout_height="wrap_content">
+
+                <TextView
+                    android:id="@+id/subject_score"
+                    android:layout_width="@dimen/score_wrapper_size"
+                    android:layout_height="@dimen/score_wrapper_size"
+                    android:text="75"
+                    android:textColor="@color/textColorPrimary"
+                    android:gravity="center"
+                    android:textSize="22sp"
+                    android:background="@drawable/circle_2" />
+
+                <TextView
+                    android:id="@+id/subject_total_score"
+                    android:layout_width="@dimen/score_wrapper_size"
+                    android:layout_height="@dimen/score_wrapper_size"
+                    android:text="75"
+                    android:layout_gravity="center_vertical"
+                    android:textColor="@color/textColorPrimary"
+                    android:gravity="center"
+                    android:textSize="22sp"
+                    android:background="@drawable/circle_2" />
+            </ViewFlipper>
+
+            <LinearLayout
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:orientation="vertical"
+                android:paddingLeft="16dp"
+                android:gravity="center_vertical"
+                tools:ignore="RtlHardcoded,RtlSymmetry">
+
+                <TextView
+                    android:id="@+id/subject_name"
+                    android:layout_width="wrap_content"
+                    android:layout_height="wrap_content"
+                    android:text="Філософія"
+                    android:singleLine="true"
+                    android:textColor="@color/primary_text_default_material_light"
+                    android:layout_gravity="center_vertical"
+                    android:textSize="20sp" />
+
+                <LinearLayout
+                    android:layout_width="wrap_content"
+                    android:orientation="horizontal"
+                    android:paddingLeft="2dp"
+                    android:paddingTop="4dp"
+                    android:layout_height="wrap_content">
+
+                    <TextView
+                        android:id="@+id/finish_flag"
+                        android:layout_width="24dp"
+                        android:layout_height="24dp"
+                        android:layout_marginLeft="-24dp"
+                        android:layout_marginTop="-4dp"/>
+
+                    <TextView
+                        android:id="@+id/subject_date"
+                        android:layout_width="wrap_content"
+                        android:layout_height="wrap_content"
+                        android:text="02.02.14"
+                        android:textColor="@color/grey_700"
+                        android:layout_gravity="center_vertical" />
+
+                    <TextView
+                        android:id="@+id/subject_weight"
+                        android:layout_width="wrap_content"
+                        android:layout_height="wrap_content"
+                        android:text="40%"
+                        android:textColor="@color/grey_500"
+                        android:paddingLeft="8dp"
+                        android:layout_gravity="center_vertical"
+                        android:textSize="14sp" />
+
+                    <TextView
+                        android:id="@+id/subject_control_type"
+                        android:layout_width="wrap_content"
+                        android:layout_height="wrap_content"
+                        android:text=""
+                        android:textColor="@color/grey_200"
+                        android:paddingLeft="8dp"
+                        android:layout_gravity="center_vertical"
+                        android:textSize="14sp" />
+                </LinearLayout>
+            </LinearLayout>
+        </LinearLayout>
+</LinearLayout>
\ No newline at end of file
diff --git a/app/src/main/res/layout/fragment_login.xml b/app/src/main/res/layout-v14/fragment_login.xml
similarity index 100%
rename from app/src/main/res/layout/fragment_login.xml
rename to app/src/main/res/layout-v14/fragment_login.xml
diff --git a/app/src/main/res/layout/fragment_section_item_drawer.xml b/app/src/main/res/layout-v14/fragment_section_item_drawer.xml
similarity index 100%
rename from app/src/main/res/layout/fragment_section_item_drawer.xml
rename to app/src/main/res/layout-v14/fragment_section_item_drawer.xml
diff --git a/app/src/main/res/layout/fragment_subject_item.xml b/app/src/main/res/layout-v14/fragment_subject_item.xml
similarity index 100%
rename from app/src/main/res/layout/fragment_subject_item.xml
rename to app/src/main/res/layout-v14/fragment_subject_item.xml