diff --git a/.travis.yml b/.travis.yml
index 8bda02d61..bf6f72f78 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -14,7 +14,7 @@ cache:
 branches:
   only:
     - develop
-    - 0.12.0
+    - 0.13.0
 
 android:
  licenses:
diff --git a/app/build.gradle b/app/build.gradle
index e982999a4..177f15b7b 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -17,8 +17,8 @@ android {
         testApplicationId "io.github.tests.wulkanowy"
         minSdkVersion 16
         targetSdkVersion 29
-        versionCode 47
-        versionName "0.12.0"
+        versionCode 48
+        versionName "0.13.0"
         multiDexEnabled true
         testInstrumentationRunner "androidx.test.runner.AndroidJUnitRunner"
         vectorDrawables.useSupportLibrary = true
@@ -122,7 +122,7 @@ configurations.all {
 }
 
 dependencies {
-    implementation "io.github.wulkanowy:api:0.12.0"
+    implementation "io.github.wulkanowy:api:0.13.0"
 
     implementation "org.jetbrains.kotlin:kotlin-stdlib-jdk8:$kotlin_version"
     implementation "androidx.core:core-ktx:1.2.0-rc01"
diff --git a/app/src/main/play/listings/pl-PL/full-description.txt b/app/src/main/play/listings/pl-PL/full-description.txt
index d33cb56f2..641b7706d 100644
--- a/app/src/main/play/listings/pl-PL/full-description.txt
+++ b/app/src/main/play/listings/pl-PL/full-description.txt
@@ -1,4 +1,4 @@
-Aplikacja jest we wczesnej fazie rozwoju, ciągle pracujemy nad kolejnymi funkcjami.
+Aplikacja jest przeznaczona dla użytkowników dziennika VULCAN UONET+.
 
 Wyróżnione cechy i funkcje:
 - obliczanie średniej ważonej,
diff --git a/app/src/main/play/listings/pl-PL/graphics/phone-screenshots/1-grades.png b/app/src/main/play/listings/pl-PL/graphics/phone-screenshots/1-grades.png
new file mode 100644
index 000000000..56768bf57
Binary files /dev/null and b/app/src/main/play/listings/pl-PL/graphics/phone-screenshots/1-grades.png differ
diff --git a/app/src/main/play/listings/pl-PL/graphics/phone-screenshots/2-timetable-dialog.png b/app/src/main/play/listings/pl-PL/graphics/phone-screenshots/2-timetable-dialog.png
new file mode 100644
index 000000000..83d9353ae
Binary files /dev/null and b/app/src/main/play/listings/pl-PL/graphics/phone-screenshots/2-timetable-dialog.png differ
diff --git a/app/src/main/play/listings/pl-PL/graphics/phone-screenshots/3-exams.png b/app/src/main/play/listings/pl-PL/graphics/phone-screenshots/3-exams.png
new file mode 100644
index 000000000..f83a7af8b
Binary files /dev/null and b/app/src/main/play/listings/pl-PL/graphics/phone-screenshots/3-exams.png differ
diff --git a/app/src/main/play/listings/pl-PL/graphics/phone-screenshots/4-timetable-widget.png b/app/src/main/play/listings/pl-PL/graphics/phone-screenshots/4-timetable-widget.png
new file mode 100644
index 000000000..90d5fef4f
Binary files /dev/null and b/app/src/main/play/listings/pl-PL/graphics/phone-screenshots/4-timetable-widget.png differ
diff --git a/app/src/main/play/listings/pl-PL/graphics/phone-screenshots/5-messages.png b/app/src/main/play/listings/pl-PL/graphics/phone-screenshots/5-messages.png
new file mode 100644
index 000000000..eadbf2db2
Binary files /dev/null and b/app/src/main/play/listings/pl-PL/graphics/phone-screenshots/5-messages.png differ
diff --git a/app/src/main/play/listings/pl-PL/graphics/phone-screenshots/6-account-switcher.png b/app/src/main/play/listings/pl-PL/graphics/phone-screenshots/6-account-switcher.png
new file mode 100644
index 000000000..2a11a3db9
Binary files /dev/null and b/app/src/main/play/listings/pl-PL/graphics/phone-screenshots/6-account-switcher.png differ
diff --git a/app/src/main/play/listings/pl-PL/graphics/phone-screenshots/7-class-grades.png b/app/src/main/play/listings/pl-PL/graphics/phone-screenshots/7-class-grades.png
new file mode 100644
index 000000000..d9b2f1c76
Binary files /dev/null and b/app/src/main/play/listings/pl-PL/graphics/phone-screenshots/7-class-grades.png differ
diff --git a/app/src/main/play/listings/pl-PL/graphics/phone-screenshots/account-switcher.png b/app/src/main/play/listings/pl-PL/graphics/phone-screenshots/account-switcher.png
deleted file mode 100644
index 8a52d8de8..000000000
Binary files a/app/src/main/play/listings/pl-PL/graphics/phone-screenshots/account-switcher.png and /dev/null differ
diff --git a/app/src/main/play/listings/pl-PL/graphics/phone-screenshots/attendance-dialog.png b/app/src/main/play/listings/pl-PL/graphics/phone-screenshots/attendance-dialog.png
deleted file mode 100644
index c65085747..000000000
Binary files a/app/src/main/play/listings/pl-PL/graphics/phone-screenshots/attendance-dialog.png and /dev/null differ
diff --git a/app/src/main/play/listings/pl-PL/graphics/phone-screenshots/attendance-statistics.png b/app/src/main/play/listings/pl-PL/graphics/phone-screenshots/attendance-statistics.png
deleted file mode 100644
index 376fc3c3f..000000000
Binary files a/app/src/main/play/listings/pl-PL/graphics/phone-screenshots/attendance-statistics.png and /dev/null differ
diff --git a/app/src/main/play/listings/pl-PL/graphics/phone-screenshots/grades.png b/app/src/main/play/listings/pl-PL/graphics/phone-screenshots/grades.png
deleted file mode 100644
index 6b4089b02..000000000
Binary files a/app/src/main/play/listings/pl-PL/graphics/phone-screenshots/grades.png and /dev/null differ
diff --git a/app/src/main/play/listings/pl-PL/graphics/phone-screenshots/more.png b/app/src/main/play/listings/pl-PL/graphics/phone-screenshots/more.png
deleted file mode 100644
index c3dc523ff..000000000
Binary files a/app/src/main/play/listings/pl-PL/graphics/phone-screenshots/more.png and /dev/null differ
diff --git a/app/src/main/play/listings/pl-PL/graphics/phone-screenshots/timetable-dialog.png b/app/src/main/play/listings/pl-PL/graphics/phone-screenshots/timetable-dialog.png
deleted file mode 100644
index 511433d45..000000000
Binary files a/app/src/main/play/listings/pl-PL/graphics/phone-screenshots/timetable-dialog.png and /dev/null differ
diff --git a/app/src/main/play/listings/pl-PL/graphics/phone-screenshots/timetable-widget.png b/app/src/main/play/listings/pl-PL/graphics/phone-screenshots/timetable-widget.png
deleted file mode 100644
index 1d5024707..000000000
Binary files a/app/src/main/play/listings/pl-PL/graphics/phone-screenshots/timetable-widget.png and /dev/null differ
diff --git a/app/src/main/play/release-notes/pl-PL/default.txt b/app/src/main/play/release-notes/pl-PL/default.txt
index 68608c38a..fe3993f60 100644
--- a/app/src/main/play/release-notes/pl-PL/default.txt
+++ b/app/src/main/play/release-notes/pl-PL/default.txt
@@ -1,9 +1,9 @@
-Wersja 0.12.0
+Wersja 0.13.0
 
-- wsparcie dla dziennika Lubelskiego Portalu Oświatowego
-- naprawa problemów z wyświetlaniem ocen punktowych
-- automatyczne przełączanie motywu na androidzie 10
-- wyświetlanie pomocy przy problemach z logowaniem
-- wyświetlanie informacji o szkole
+- naprawiony plan lekcji po ostatniej aktualizacji VULCANa (19.11)
+- naprawiona opcja wyboru motywu dla widżetu ze szczęśliwym numerkiem
+- nowa opcja zmiany języka i język rosyjski
+- możliwość łatwego nawigowania między dniami w planie lekcji przez kalendarz
+- opcja ustawienia modyfikatora oceny na wartość 0,0
 
 Pełna lista zmian: https://github.com/wulkanowy/wulkanowy/releases