diff --git a/mx-linux/mx-21.sh b/mx-linux/mx-21.sh
index d86cb6d..81b7aff 100644
--- a/mx-linux/mx-21.sh
+++ b/mx-linux/mx-21.sh
@@ -75,7 +75,9 @@ apt-get install $1 scrcpy
 wget https://github.com/turtl/desktop/releases/download/v0.7.2.5/turtl-0.7.2.5-linux64.tar.bz2
 tar -xvf turtl-0.7.2.5-linux64.tar.bz2
 cd turtl-linux64
-sudo ./install.sh
+./install.sh
+cd ..
+rm -r turtl-linux64
 # run /opt/turtl/turtl
 # download vmwareplayer: https://my.vmware.com/en/web/vmware/downloads/details?downloadGroup=WKST-PLAYER-1612&productId=1039#product_downloads
 ./VMware-Player-16.1.2-17966106.x86_64.bundle
@@ -100,4 +102,13 @@ apt-get install $1 yarn
 # blivet-gui from ppa
 apt-get install $1 blivet-gui
 # extra key mapping for logitech
-apt-get install $1 xbindkeys xautomation xdotool
\ No newline at end of file
+apt-get install $1 xbindkeys xautomation xdotool
+# droidcam client -> v4l2 , https://www.dev47apps.com/droidcam/linux/
+cd /tmp/
+wget -O droidcam_latest.zip https://files.dev47apps.net/linux/droidcam_1.8.1.zip
+sha1sum droidcam_latest.zip
+unzip droidcam_latest.zip -d droidcam
+cd droidcam && ./install-client
+apt-get install $1 linux-headers-`uname -r` gcc make
+./install-video
+cd .. && rm -r ./droidcam*