diff --git a/scripts/compile_android_apk.sh b/scripts/compile_android_apk.sh
index 68bede5c..fb4a93cb 100644
--- a/scripts/compile_android_apk.sh
+++ b/scripts/compile_android_apk.sh
@@ -6,7 +6,7 @@
 # Check Build ID via "readelf --wide --notes libapp.so"
 
 # REQUIREMENTS
-# (1) sudo apt install sdkmanager
+# (1) sudo apt install openjdk-11-jdk sdkmanager
 # (2) sudo chown -R <user> /opt/android-sdk
 # (3) sdkmanager "platform-tools" "platforms;android-33"
 # (4) sdkmanager --licenses
@@ -15,13 +15,12 @@
 # git reset --hard origin/main
 # git pull
 
-git submodule update --init
-
 cd ..
 rm -rf /tmp/build
 cp localsend /tmp/build -r
 pushd /tmp/build
 
+git submodule update --init
 alias flutter='submodules/flutter/bin/flutter'
 flutter config --no-analytics
 flutter pub get
diff --git a/scripts/compile_linux_appimage.sh b/scripts/compile_linux_appimage.sh
index 83817428..73f98dbc 100644
--- a/scripts/compile_linux_appimage.sh
+++ b/scripts/compile_linux_appimage.sh
@@ -1,19 +1,21 @@
 # REQUIREMENTS
-# (1) sudo apt install clang cmake libgtk-3-dev ninja-build
-# (2) Download from https://github.com/AppImageCrafters/appimage-builder/releases
+# (1) For Flutter: sudo apt install curl clang cmake libgtk-3-dev ninja-build
+#     Project specific: sudo apt install libayatana-appindicator3-dev
+# (2) For AppImage:
+#     sudo apt install libfuse2
+#     Download from https://github.com/AppImageCrafters/appimage-builder/releases
 #     then sudo chmod +x appimage-builder-1.1.0-x86_64.AppImage && sudo mv appimage-builder-1.1.0-x86_64.AppImage /usr/local/bin/appimage-builder
 
 # UNCOMMENT THESE LINES TO BUILD FROM LATEST COMMIT
 # git reset --hard origin/main
 # git pull
 
-git submodule update --init
-
 cd ..
 rm -rf /tmp/build
 cp localsend /tmp/build -r
 pushd /tmp/build
 
+git submodule update --init
 alias flutter='submodules/flutter/bin/flutter'
 
 flutter clean
@@ -34,3 +36,4 @@ rm -rf appimage-build
 
 popd
 cd localsend
+cp /tmp/build/LocalSend-latest-x86_64.AppImage .
diff --git a/scripts/verify_exe_signature.ps1 b/scripts/verify_exe_signature.ps1
new file mode 100644
index 00000000..bf538bd9
--- /dev/null
+++ b/scripts/verify_exe_signature.ps1
@@ -0,0 +1,2 @@
+$signtoolPath = "C:\Program Files (x86)\Windows Kits\10\bin\10.0.19041.0\x64\signtool.exe"
+& $signtoolPath verify build\windows\runner\Release\localsend_app.exe
\ No newline at end of file