diff --git a/app/build.gradle b/app/build.gradle
index dd588569f..efd7bc4d7 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -30,6 +30,7 @@ dependencies {
     compile fileTree(dir: 'libs', include: ['*.jar'])
     testCompile 'junit:junit:4.12'
     compile 'com.android.support:appcompat-v7:23.4.0'
+    compile 'com.android.support:design:23.4.0'
     compile 'joda-time:joda-time:2.9.1'
     compile 'com.jakewharton:butterknife:8.0.1'
     compile 'com.github.yukuku:ambilwarna:2.0.1'
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 8a556b68f..1fbe6805d 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -33,6 +33,11 @@
             android:label="@string/about"
             android:screenOrientation="portrait"/>
 
+        <activity
+            android:name=".activities.DetailsActivity"
+            android:label="@string/details"
+            android:screenOrientation="portrait"/>
+
         <activity
             android:name=".activities.LicenseActivity"
             android:label="@string/third_party_licences"
diff --git a/app/src/main/java/com/simplemobiletools/calendar/Calendar.java b/app/src/main/java/com/simplemobiletools/calendar/Calendar.java
index 4eea558fd..4445e45f4 100644
--- a/app/src/main/java/com/simplemobiletools/calendar/Calendar.java
+++ b/app/src/main/java/com/simplemobiletools/calendar/Calendar.java
@@ -1,5 +1,7 @@
 package com.simplemobiletools.calendar;
 
+import com.simplemobiletools.calendar.models.Day;
+
 import java.util.List;
 
 public interface Calendar {
diff --git a/app/src/main/java/com/simplemobiletools/calendar/CalendarImpl.java b/app/src/main/java/com/simplemobiletools/calendar/CalendarImpl.java
index 2efef3897..08021d908 100644
--- a/app/src/main/java/com/simplemobiletools/calendar/CalendarImpl.java
+++ b/app/src/main/java/com/simplemobiletools/calendar/CalendarImpl.java
@@ -1,6 +1,12 @@
 package com.simplemobiletools.calendar;
 
+import android.content.Context;
+import android.util.SparseBooleanArray;
+
+import com.simplemobiletools.calendar.models.Day;
+
 import org.joda.time.DateTime;
+import org.joda.time.DateTimeZone;
 
 import java.text.DateFormatSymbols;
 import java.util.ArrayList;
@@ -8,16 +14,19 @@ import java.util.List;
 
 public class CalendarImpl {
     public static final int DAYS_CNT = 42;
-    private static final String DATE_PATTERN = "ddMMYYYY";
     private static final String YEAR_PATTERN = "YYYY";
 
     private final Calendar mCallback;
     private final String mToday;
+    private final Context mContext;
     private DateTime mTargetDate;
+    private SparseBooleanArray mEvents;
 
-    public CalendarImpl(Calendar callback) {
+    public CalendarImpl(Calendar callback, Context context) {
         this.mCallback = callback;
-        mToday = new DateTime().toString(DATE_PATTERN);
+        mToday = new DateTime().toString(Constants.DATE_PATTERN);
+        mContext = context;
+        mEvents = Config.newInstance(context).getEvents();
     }
 
     public void updateCalendar(DateTime targetDate) {
@@ -44,21 +53,26 @@ public class CalendarImpl {
         boolean isThisMonth = false;
         boolean isToday;
         int value = prevMonthDays - firstDayIndex + 1;
+        DateTime curDay = targetDate;
 
         for (int i = 0; i < DAYS_CNT; i++) {
             if (i < firstDayIndex) {
                 isThisMonth = false;
+                curDay = targetDate.minusMonths(1);
             } else if (i == firstDayIndex) {
                 value = 1;
                 isThisMonth = true;
+                curDay = targetDate;
             } else if (value == currMonthDays + 1) {
                 value = 1;
                 isThisMonth = false;
+                curDay = targetDate.plusMonths(1);
             }
 
             isToday = isThisMonth && isToday(targetDate, value);
 
-            final Day day = new Day(value, isThisMonth, isToday);
+            final String dayCode = curDay.withDayOfMonth(value).toDateTime(DateTimeZone.UTC).toString(Constants.DATE_PATTERN);
+            final Day day = new Day(value, isThisMonth, isToday, dayCode, hasEvent(dayCode));
             days.add(day);
             value++;
         }
@@ -66,8 +80,12 @@ public class CalendarImpl {
         mCallback.updateCalendar(getMonthName(), days);
     }
 
+    private boolean hasEvent(String dayCode) {
+        return mEvents.get(Integer.parseInt(dayCode));
+    }
+
     private boolean isToday(DateTime targetDate, int curDayInMonth) {
-        return targetDate.withDayOfMonth(curDayInMonth).toString(DATE_PATTERN).equals(mToday);
+        return targetDate.withDayOfMonth(curDayInMonth).toString(Constants.DATE_PATTERN).equals(mToday);
     }
 
     private String getMonthName() {
diff --git a/app/src/main/java/com/simplemobiletools/calendar/Config.java b/app/src/main/java/com/simplemobiletools/calendar/Config.java
index 6b333c0ec..2b7163710 100644
--- a/app/src/main/java/com/simplemobiletools/calendar/Config.java
+++ b/app/src/main/java/com/simplemobiletools/calendar/Config.java
@@ -2,6 +2,7 @@ package com.simplemobiletools.calendar;
 
 import android.content.Context;
 import android.content.SharedPreferences;
+import android.util.SparseBooleanArray;
 
 public class Config {
     private SharedPreferences mPrefs;
@@ -21,4 +22,13 @@ public class Config {
     public void setIsFirstRun(boolean firstRun) {
         mPrefs.edit().putBoolean(Constants.IS_FIRST_RUN, firstRun).apply();
     }
+
+    public SparseBooleanArray getEvents() {
+        final String json = mPrefs.getString(Constants.EVENTS, "{}");
+        return Utils.deserializeJson(json);
+    }
+
+    public void setEvents(SparseBooleanArray events) {
+        mPrefs.edit().putString(Constants.EVENTS, Utils.serializeArray(events)).apply();
+    }
 }
diff --git a/app/src/main/java/com/simplemobiletools/calendar/Constants.java b/app/src/main/java/com/simplemobiletools/calendar/Constants.java
index 2f4c941db..ee812cda5 100644
--- a/app/src/main/java/com/simplemobiletools/calendar/Constants.java
+++ b/app/src/main/java/com/simplemobiletools/calendar/Constants.java
@@ -8,4 +8,8 @@ public class Constants {
     public static final String IS_FIRST_RUN = "is_first_run";
     public static final String WIDGET_BG_COLOR = "widget_bg_color";
     public static final String WIDGET_TEXT_COLOR = "widget_text_color";
+    public static final String EVENTS = "events";
+
+    public static final String DAY_CODE = "day_code";
+    public static final String DATE_PATTERN = "YYMMdd";
 }
diff --git a/app/src/main/java/com/simplemobiletools/calendar/Formatter.java b/app/src/main/java/com/simplemobiletools/calendar/Formatter.java
new file mode 100644
index 000000000..f52df57d5
--- /dev/null
+++ b/app/src/main/java/com/simplemobiletools/calendar/Formatter.java
@@ -0,0 +1,13 @@
+package com.simplemobiletools.calendar;
+
+import org.joda.time.format.DateTimeFormat;
+import org.joda.time.format.DateTimeFormatter;
+
+public class Formatter {
+    private static final String EVENT_PATTERN = "d MMMM YYYY";
+
+    public static String getEventDate(String dayCode) {
+        final DateTimeFormatter dateTimeFormatter = DateTimeFormat.forPattern(Constants.DATE_PATTERN);
+        return dateTimeFormatter.parseDateTime(dayCode).toString(EVENT_PATTERN);
+    }
+}
diff --git a/app/src/main/java/com/simplemobiletools/calendar/Helpers.java b/app/src/main/java/com/simplemobiletools/calendar/Helpers.java
deleted file mode 100644
index e7c20d592..000000000
--- a/app/src/main/java/com/simplemobiletools/calendar/Helpers.java
+++ /dev/null
@@ -1,13 +0,0 @@
-package com.simplemobiletools.calendar;
-
-import android.graphics.Color;
-
-public class Helpers {
-    public static int adjustAlpha(int color, float factor) {
-        final int alpha = Math.round(Color.alpha(color) * factor);
-        final int red = Color.red(color);
-        final int green = Color.green(color);
-        final int blue = Color.blue(color);
-        return Color.argb(alpha, red, green, blue);
-    }
-}
diff --git a/app/src/main/java/com/simplemobiletools/calendar/MyWidgetProvider.java b/app/src/main/java/com/simplemobiletools/calendar/MyWidgetProvider.java
index 8a55701e8..5ec87cb1f 100644
--- a/app/src/main/java/com/simplemobiletools/calendar/MyWidgetProvider.java
+++ b/app/src/main/java/com/simplemobiletools/calendar/MyWidgetProvider.java
@@ -18,6 +18,7 @@ import android.graphics.Paint;
 import android.widget.RemoteViews;
 
 import com.simplemobiletools.calendar.activities.MainActivity;
+import com.simplemobiletools.calendar.models.Day;
 
 import org.joda.time.DateTime;
 
@@ -52,8 +53,8 @@ public class MyWidgetProvider extends AppWidgetProvider implements Calendar {
 
         final SharedPreferences prefs = initPrefs(mContext);
         final int storedTextColor = prefs.getInt(Constants.WIDGET_TEXT_COLOR, Color.WHITE);
-        mTextColor = Helpers.adjustAlpha(storedTextColor, Constants.HIGH_ALPHA);
-        mWeakTextColor = Helpers.adjustAlpha(storedTextColor, Constants.LOW_ALPHA);
+        mTextColor = Utils.adjustAlpha(storedTextColor, Constants.HIGH_ALPHA);
+        mWeakTextColor = Utils.adjustAlpha(storedTextColor, Constants.LOW_ALPHA);
 
         mDayTextSize = mRes.getDimension(R.dimen.day_text_size) / mRes.getDisplayMetrics().density;
         mTodayTextSize = mRes.getDimension(R.dimen.today_text_size) / mRes.getDisplayMetrics().density;
@@ -68,7 +69,7 @@ public class MyWidgetProvider extends AppWidgetProvider implements Calendar {
         final int bgColor = prefs.getInt(Constants.WIDGET_BG_COLOR, Color.BLACK);
         mRemoteViews.setInt(R.id.calendar_holder, "setBackgroundColor", bgColor);
 
-        mCalendar = new CalendarImpl(this);
+        mCalendar = new CalendarImpl(this, mContext);
         mCalendar.updateCalendar(new DateTime());
     }
 
diff --git a/app/src/main/java/com/simplemobiletools/calendar/Utils.java b/app/src/main/java/com/simplemobiletools/calendar/Utils.java
new file mode 100644
index 000000000..4aa27d8f5
--- /dev/null
+++ b/app/src/main/java/com/simplemobiletools/calendar/Utils.java
@@ -0,0 +1,51 @@
+package com.simplemobiletools.calendar;
+
+import android.graphics.Color;
+import android.util.Log;
+import android.util.SparseBooleanArray;
+
+import org.json.JSONException;
+import org.json.JSONObject;
+
+import java.util.Iterator;
+
+public class Utils {
+    private static final String TAG = Utils.class.getSimpleName();
+
+    public static int adjustAlpha(int color, float factor) {
+        final int alpha = Math.round(Color.alpha(color) * factor);
+        final int red = Color.red(color);
+        final int green = Color.green(color);
+        final int blue = Color.blue(color);
+        return Color.argb(alpha, red, green, blue);
+    }
+
+    public static String serializeArray(SparseBooleanArray arr) {
+        JSONObject json = new JSONObject();
+        try {
+            for (int i = 0; i < arr.size(); i++) {
+                int key = arr.keyAt(i);
+                json.put(String.valueOf(key), arr.get(key));
+            }
+        } catch (JSONException e) {
+            Log.e(TAG, "serializeArray " + e.getMessage());
+        }
+        return json.toString();
+    }
+
+    public static SparseBooleanArray deserializeJson(String string) {
+        final SparseBooleanArray sparseBooleanArray = new SparseBooleanArray();
+        try {
+            final JSONObject json = new JSONObject(string);
+            final Iterator<String> iter = json.keys();
+            while (iter.hasNext()) {
+                String key = iter.next();
+                Boolean value = (Boolean) json.get(key);
+                sparseBooleanArray.put(Integer.parseInt(key), value);
+            }
+        } catch (JSONException e) {
+            Log.e(TAG, "deserializeJson " + e.getMessage());
+        }
+        return sparseBooleanArray;
+    }
+}
diff --git a/app/src/main/java/com/simplemobiletools/calendar/activities/DetailsActivity.java b/app/src/main/java/com/simplemobiletools/calendar/activities/DetailsActivity.java
new file mode 100644
index 000000000..acfe956e3
--- /dev/null
+++ b/app/src/main/java/com/simplemobiletools/calendar/activities/DetailsActivity.java
@@ -0,0 +1,42 @@
+package com.simplemobiletools.calendar.activities;
+
+import android.content.Intent;
+import android.os.Bundle;
+import android.support.v7.app.AppCompatActivity;
+import android.view.View;
+import android.widget.TextView;
+
+import com.simplemobiletools.calendar.Constants;
+import com.simplemobiletools.calendar.Formatter;
+import com.simplemobiletools.calendar.R;
+
+import butterknife.BindView;
+import butterknife.ButterKnife;
+import butterknife.OnClick;
+
+public class DetailsActivity extends AppCompatActivity {
+    @BindView(R.id.details_date) TextView mDateTV;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+        setContentView(R.layout.activity_details);
+        ButterKnife.bind(this);
+
+        final Intent intent = getIntent();
+        if (intent == null)
+            return;
+
+        final String dayCode = intent.getStringExtra(Constants.DAY_CODE);
+        if (dayCode == null || dayCode.isEmpty())
+            return;
+
+        final String date = Formatter.getEventDate(dayCode);
+        mDateTV.setText(date);
+    }
+
+    @OnClick(R.id.details_fab)
+    public void fabClicked(View view) {
+
+    }
+}
diff --git a/app/src/main/java/com/simplemobiletools/calendar/activities/MainActivity.java b/app/src/main/java/com/simplemobiletools/calendar/activities/MainActivity.java
index 97c940315..c2b5983db 100644
--- a/app/src/main/java/com/simplemobiletools/calendar/activities/MainActivity.java
+++ b/app/src/main/java/com/simplemobiletools/calendar/activities/MainActivity.java
@@ -21,9 +21,9 @@ import com.simplemobiletools.calendar.Calendar;
 import com.simplemobiletools.calendar.CalendarImpl;
 import com.simplemobiletools.calendar.Config;
 import com.simplemobiletools.calendar.Constants;
-import com.simplemobiletools.calendar.Day;
-import com.simplemobiletools.calendar.Helpers;
 import com.simplemobiletools.calendar.R;
+import com.simplemobiletools.calendar.Utils;
+import com.simplemobiletools.calendar.models.Day;
 
 import org.joda.time.DateTime;
 
@@ -51,6 +51,8 @@ public class MainActivity extends AppCompatActivity implements Calendar {
 
     private int mTextColor;
     private int mWeakTextColor;
+    private int mTextColorWithNote;
+    private int mWeakTextColorWithNote;
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
@@ -58,13 +60,15 @@ public class MainActivity extends AppCompatActivity implements Calendar {
         setContentView(R.layout.activity_main);
         ButterKnife.bind(this);
 
+        mRes = getResources();
         Locale.setDefault(Locale.ENGLISH);
-        mTextColor = Helpers.adjustAlpha(Color.BLACK, Constants.HIGH_ALPHA);
-        mWeakTextColor = Helpers.adjustAlpha(Color.BLACK, Constants.LOW_ALPHA);
+        mTextColor = Utils.adjustAlpha(Color.BLACK, Constants.HIGH_ALPHA);
+        mTextColorWithNote = Utils.adjustAlpha(mRes.getColor(R.color.colorPrimary), Constants.HIGH_ALPHA);
+        mWeakTextColor = Utils.adjustAlpha(Color.BLACK, Constants.LOW_ALPHA);
+        mWeakTextColorWithNote = Utils.adjustAlpha(mRes.getColor(R.color.colorPrimary), Constants.LOW_ALPHA);
         mLeftArrow.getDrawable().mutate().setColorFilter(mTextColor, PorterDuff.Mode.SRC_ATOP);
         mRightArrow.getDrawable().mutate().setColorFilter(mTextColor, PorterDuff.Mode.SRC_ATOP);
 
-        mRes = getResources();
         mPackageName = getPackageName();
         mDayTextSize /= mRes.getDisplayMetrics().density;
         mTodayTextSize /= mRes.getDisplayMetrics().density;
@@ -73,7 +77,7 @@ public class MainActivity extends AppCompatActivity implements Calendar {
         final FrameLayout.LayoutParams params = (FrameLayout.LayoutParams) mCalendarHolder.getLayoutParams();
         params.setMargins(mActivityMargin, mActivityMargin, mActivityMargin, mActivityMargin);
 
-        mCalendar = new CalendarImpl(this);
+        mCalendar = new CalendarImpl(this, getApplicationContext());
         mCalendar.updateCalendar(new DateTime());
     }
 
@@ -107,6 +111,9 @@ public class MainActivity extends AppCompatActivity implements Calendar {
         for (int i = 0; i < len; i++) {
             final Day day = days.get(i);
             final TextView dayTV = (TextView) findViewById(mRes.getIdentifier("day_" + i, "id", mPackageName));
+            if (dayTV == null)
+                continue;
+
             int curTextColor = mWeakTextColor;
             float curTextSize = mDayTextSize;
 
@@ -121,9 +128,25 @@ public class MainActivity extends AppCompatActivity implements Calendar {
             dayTV.setText(String.valueOf(day.getValue()));
             dayTV.setTextColor(curTextColor);
             dayTV.setTextSize(curTextSize);
+
+            dayTV.setOnClickListener(new View.OnClickListener() {
+                @Override
+                public void onClick(View v) {
+                    openDetails(day.getCode());
+                }
+            });
         }
     }
 
+    private void openDetails(String code) {
+        if (code.isEmpty())
+            return;
+
+        final Intent intent = new Intent(getApplicationContext(), DetailsActivity.class);
+        intent.putExtra(Constants.DAY_CODE, code);
+        startActivity(intent);
+    }
+
     @OnClick(R.id.left_arrow)
     public void leftArrowClicked() {
         mCalendar.getPrevMonth();
diff --git a/app/src/main/java/com/simplemobiletools/calendar/activities/WidgetConfigureActivity.java b/app/src/main/java/com/simplemobiletools/calendar/activities/WidgetConfigureActivity.java
index b2e41c960..2762d0a27 100644
--- a/app/src/main/java/com/simplemobiletools/calendar/activities/WidgetConfigureActivity.java
+++ b/app/src/main/java/com/simplemobiletools/calendar/activities/WidgetConfigureActivity.java
@@ -18,8 +18,8 @@ import android.widget.TextView;
 import com.simplemobiletools.calendar.Calendar;
 import com.simplemobiletools.calendar.CalendarImpl;
 import com.simplemobiletools.calendar.Constants;
-import com.simplemobiletools.calendar.Day;
-import com.simplemobiletools.calendar.Helpers;
+import com.simplemobiletools.calendar.models.Day;
+import com.simplemobiletools.calendar.Utils;
 import com.simplemobiletools.calendar.MyWidgetProvider;
 import com.simplemobiletools.calendar.R;
 
@@ -99,7 +99,7 @@ public class WidgetConfigureActivity extends AppCompatActivity implements Calend
         mBgSeekBar.setProgress((int) (mBgAlpha * 100));
         updateBgColor();
 
-        mCalendar = new CalendarImpl(this);
+        mCalendar = new CalendarImpl(this, getApplicationContext());
         mCalendar.updateCalendar(new DateTime());
     }
 
@@ -166,8 +166,8 @@ public class WidgetConfigureActivity extends AppCompatActivity implements Calend
     }
 
     private void updateTextColors() {
-        mTextColor = Helpers.adjustAlpha(mTextColorWithoutTransparency, Constants.HIGH_ALPHA);
-        mWeakTextColor = Helpers.adjustAlpha(mTextColorWithoutTransparency, Constants.LOW_ALPHA);
+        mTextColor = Utils.adjustAlpha(mTextColorWithoutTransparency, Constants.HIGH_ALPHA);
+        mWeakTextColor = Utils.adjustAlpha(mTextColorWithoutTransparency, Constants.LOW_ALPHA);
 
         mLeftArrow.getDrawable().mutate().setColorFilter(mTextColor, PorterDuff.Mode.SRC_ATOP);
         mRightArrow.getDrawable().mutate().setColorFilter(mTextColor, PorterDuff.Mode.SRC_ATOP);
@@ -178,7 +178,7 @@ public class WidgetConfigureActivity extends AppCompatActivity implements Calend
     }
 
     private void updateBgColor() {
-        mBgColor = Helpers.adjustAlpha(mBgColorWithoutTransparency, mBgAlpha);
+        mBgColor = Utils.adjustAlpha(mBgColorWithoutTransparency, mBgAlpha);
         mWidgetBackground.setBackgroundColor(mBgColor);
         mBgColorPicker.setBackgroundColor(mBgColor);
         mSaveBtn.setBackgroundColor(mBgColor);
diff --git a/app/src/main/java/com/simplemobiletools/calendar/models/Day.java b/app/src/main/java/com/simplemobiletools/calendar/models/Day.java
index be6557a4d..6989cd193 100644
--- a/app/src/main/java/com/simplemobiletools/calendar/models/Day.java
+++ b/app/src/main/java/com/simplemobiletools/calendar/models/Day.java
@@ -5,9 +5,9 @@ public class Day {
     private final boolean mIsThisMonth;
     private final boolean mIsToday;
     private final boolean mHasNote;
-    private final int mCode;
+    private final String mCode;
 
-    public Day(int value, boolean isThisMonth, boolean isToday, int code, boolean hasNote) {
+    public Day(int value, boolean isThisMonth, boolean isToday, String code, boolean hasNote) {
         mValue = value;
         mIsThisMonth = isThisMonth;
         mIsToday = isToday;
@@ -27,7 +27,7 @@ public class Day {
         return mIsToday;
     }
 
-    public int getCode() {
+    public String getCode() {
         return mCode;
     }
 
diff --git a/app/src/main/res/layout/activity_details.xml b/app/src/main/res/layout/activity_details.xml
new file mode 100644
index 000000000..14b76f248
--- /dev/null
+++ b/app/src/main/res/layout/activity_details.xml
@@ -0,0 +1,24 @@
+<?xml version="1.0" encoding="utf-8"?>
+<android.support.design.widget.CoordinatorLayout
+    android:id="@+id/details_holder"
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    android:layout_marginTop="@dimen/activity_margin">
+
+    <TextView
+        android:id="@+id/details_date"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:gravity="center_horizontal"
+        android:textSize="@dimen/month_text_size"/>
+
+    <android.support.design.widget.FloatingActionButton
+        android:id="@+id/details_fab"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_gravity="bottom|end"
+        android:layout_margin="@dimen/activity_margin"
+        android:src="@mipmap/plus"/>
+
+</android.support.design.widget.CoordinatorLayout>
diff --git a/app/src/main/res/mipmap-hdpi/plus.png b/app/src/main/res/mipmap-hdpi/plus.png
new file mode 100644
index 000000000..76f27e6ed
Binary files /dev/null and b/app/src/main/res/mipmap-hdpi/plus.png differ
diff --git a/app/src/main/res/mipmap-mdpi/plus.png b/app/src/main/res/mipmap-mdpi/plus.png
new file mode 100644
index 000000000..193383a11
Binary files /dev/null and b/app/src/main/res/mipmap-mdpi/plus.png differ
diff --git a/app/src/main/res/mipmap-xhdpi/plus.png b/app/src/main/res/mipmap-xhdpi/plus.png
new file mode 100644
index 000000000..d8ef0f451
Binary files /dev/null and b/app/src/main/res/mipmap-xhdpi/plus.png differ
diff --git a/app/src/main/res/mipmap-xxhdpi/plus.png b/app/src/main/res/mipmap-xxhdpi/plus.png
new file mode 100644
index 000000000..b97c0e28a
Binary files /dev/null and b/app/src/main/res/mipmap-xxhdpi/plus.png differ
diff --git a/app/src/main/res/mipmap-xxxhdpi/plus.png b/app/src/main/res/mipmap-xxxhdpi/plus.png
new file mode 100644
index 000000000..2bef05958
Binary files /dev/null and b/app/src/main/res/mipmap-xxxhdpi/plus.png differ
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index a6784eb80..0d411a63d 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -1,6 +1,9 @@
 <resources>
     <string name="app_name">Simple Calendar</string>
 
+    <!-- Details -->
+    <string name="details">Details</string>
+
     <!-- About -->
     <string name="about">About</string>
     <string name="website">More simple apps and source code at:\nhttp://simplemobiletools.com</string>