diff --git a/app/build.gradle b/app/build.gradle
index 59aeb29..fe516ef 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -7,8 +7,8 @@ android {
         applicationId 'com.wownero.wownerujo'
         minSdkVersion 23
         targetSdkVersion 28
-        versionCode 1070
-        versionName '1.6.3.0'
+        versionCode 1080
+        versionName '1.6.4.0'
         // testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
         externalNativeBuild {
             cmake {
diff --git a/app/src/main/ic_launcher-web.png b/app/src/main/ic_launcher-web.png
index 5eb675d..8e52706 100644
Binary files a/app/src/main/ic_launcher-web.png and b/app/src/main/ic_launcher-web.png differ
diff --git a/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml b/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml
new file mode 100644
index 0000000..4ae7d12
--- /dev/null
+++ b/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/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml b/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml
new file mode 100644
index 0000000..4ae7d12
--- /dev/null
+++ b/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/app/src/main/res/mipmap-hdpi/ic_launcher.png b/app/src/main/res/mipmap-hdpi/ic_launcher.png
index 04b550a..a81ebca 100644
Binary files a/app/src/main/res/mipmap-hdpi/ic_launcher.png and b/app/src/main/res/mipmap-hdpi/ic_launcher.png differ
diff --git a/app/src/main/res/mipmap-hdpi/ic_launcher_background.png b/app/src/main/res/mipmap-hdpi/ic_launcher_background.png
new file mode 100644
index 0000000..6ebce6a
Binary files /dev/null and b/app/src/main/res/mipmap-hdpi/ic_launcher_background.png differ
diff --git a/app/src/main/res/mipmap-hdpi/ic_launcher_foreground.png b/app/src/main/res/mipmap-hdpi/ic_launcher_foreground.png
new file mode 100644
index 0000000..9ca28d8
Binary files /dev/null and b/app/src/main/res/mipmap-hdpi/ic_launcher_foreground.png differ
diff --git a/app/src/main/res/mipmap-hdpi/ic_launcher_round.png b/app/src/main/res/mipmap-hdpi/ic_launcher_round.png
new file mode 100644
index 0000000..a3665e8
Binary files /dev/null and b/app/src/main/res/mipmap-hdpi/ic_launcher_round.png differ
diff --git a/app/src/main/res/mipmap-mdpi/ic_launcher.png b/app/src/main/res/mipmap-mdpi/ic_launcher.png
index c9bff3a..b56aeab 100644
Binary files a/app/src/main/res/mipmap-mdpi/ic_launcher.png and b/app/src/main/res/mipmap-mdpi/ic_launcher.png differ
diff --git a/app/src/main/res/mipmap-mdpi/ic_launcher_background.png b/app/src/main/res/mipmap-mdpi/ic_launcher_background.png
new file mode 100644
index 0000000..78e3920
Binary files /dev/null and b/app/src/main/res/mipmap-mdpi/ic_launcher_background.png differ
diff --git a/app/src/main/res/mipmap-mdpi/ic_launcher_foreground.png b/app/src/main/res/mipmap-mdpi/ic_launcher_foreground.png
new file mode 100644
index 0000000..52eef11
Binary files /dev/null and b/app/src/main/res/mipmap-mdpi/ic_launcher_foreground.png differ
diff --git a/app/src/main/res/mipmap-mdpi/ic_launcher_round.png b/app/src/main/res/mipmap-mdpi/ic_launcher_round.png
new file mode 100644
index 0000000..006a650
Binary files /dev/null and b/app/src/main/res/mipmap-mdpi/ic_launcher_round.png differ
diff --git a/app/src/main/res/mipmap-xhdpi/ic_launcher.png b/app/src/main/res/mipmap-xhdpi/ic_launcher.png
index e535cb2..a2307ed 100644
Binary files a/app/src/main/res/mipmap-xhdpi/ic_launcher.png and b/app/src/main/res/mipmap-xhdpi/ic_launcher.png differ
diff --git a/app/src/main/res/mipmap-xhdpi/ic_launcher_background.png b/app/src/main/res/mipmap-xhdpi/ic_launcher_background.png
new file mode 100644
index 0000000..8a578a5
Binary files /dev/null and b/app/src/main/res/mipmap-xhdpi/ic_launcher_background.png differ
diff --git a/app/src/main/res/mipmap-xhdpi/ic_launcher_foreground.png b/app/src/main/res/mipmap-xhdpi/ic_launcher_foreground.png
new file mode 100644
index 0000000..808a65f
Binary files /dev/null and b/app/src/main/res/mipmap-xhdpi/ic_launcher_foreground.png differ
diff --git a/app/src/main/res/mipmap-xhdpi/ic_launcher_round.png b/app/src/main/res/mipmap-xhdpi/ic_launcher_round.png
new file mode 100644
index 0000000..8991f15
Binary files /dev/null and b/app/src/main/res/mipmap-xhdpi/ic_launcher_round.png differ
diff --git a/app/src/main/res/mipmap-xxhdpi/ic_launcher.png b/app/src/main/res/mipmap-xxhdpi/ic_launcher.png
index c074995..be9faf4 100644
Binary files a/app/src/main/res/mipmap-xxhdpi/ic_launcher.png and b/app/src/main/res/mipmap-xxhdpi/ic_launcher.png differ
diff --git a/app/src/main/res/mipmap-xxhdpi/ic_launcher_background.png b/app/src/main/res/mipmap-xxhdpi/ic_launcher_background.png
new file mode 100644
index 0000000..da46328
Binary files /dev/null and b/app/src/main/res/mipmap-xxhdpi/ic_launcher_background.png differ
diff --git a/app/src/main/res/mipmap-xxhdpi/ic_launcher_foreground.png b/app/src/main/res/mipmap-xxhdpi/ic_launcher_foreground.png
new file mode 100644
index 0000000..19d1cc1
Binary files /dev/null and b/app/src/main/res/mipmap-xxhdpi/ic_launcher_foreground.png differ
diff --git a/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.png b/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.png
new file mode 100644
index 0000000..10846e1
Binary files /dev/null and b/app/src/main/res/mipmap-xxhdpi/ic_launcher_round.png differ
diff --git a/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png b/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png
index 578f7e9..41b9434 100644
Binary files a/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png and b/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png differ
diff --git a/app/src/main/res/mipmap-xxxhdpi/ic_launcher_background.png b/app/src/main/res/mipmap-xxxhdpi/ic_launcher_background.png
new file mode 100644
index 0000000..df3db4d
Binary files /dev/null and b/app/src/main/res/mipmap-xxxhdpi/ic_launcher_background.png differ
diff --git a/app/src/main/res/mipmap-xxxhdpi/ic_launcher_foreground.png b/app/src/main/res/mipmap-xxxhdpi/ic_launcher_foreground.png
new file mode 100644
index 0000000..741ee92
Binary files /dev/null and b/app/src/main/res/mipmap-xxxhdpi/ic_launcher_foreground.png differ
diff --git a/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.png b/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.png
new file mode 100644
index 0000000..e8f5ed6
Binary files /dev/null and b/app/src/main/res/mipmap-xxxhdpi/ic_launcher_round.png differ
diff --git a/script/nix/shell.nix b/script/nix/shell.nix
index 33d4ccf..1c1eee4 100644
--- a/script/nix/shell.nix
+++ b/script/nix/shell.nix
@@ -89,7 +89,7 @@ with nixpkgs;
     export _JAVA_AWT_WM_NONREPARENTING=1
 
     export app_version=1070
-    export gradle_app_version=1x6x3x0
+    export gradle_app_version=1x6x4x0
     export release_key=~/.android/fuwa-release-key.jks
 
     exec zsh