diff --git a/conf/retroarch.src b/conf/retroarch.src
index 19a039d..1ece416 100644
--- a/conf/retroarch.src
+++ b/conf/retroarch.src
@@ -1,5 +1,5 @@
-SOURCE_URL=https://buildbot.libretro.com/stable/1.8.7/emscripten/RetroArch.7z
-SOURCE_SUM=7baa982226c649e0524555ab88b118c1f5fd6c9ca4403483b4fd1835e8ace5ad
+SOURCE_URL=https://buildbot.libretro.com/stable/1.9.1/emscripten/RetroArch.7z
+SOURCE_SUM=89e018028f53d710f63a627c28c2278b8c24f7baae84683538e52b79aca8a4d4
 SOURCE_SUM_PRG=sha256sum
 SOURCE_FORMAT=7z
 SOURCE_EXTRACT=false
diff --git a/manifest.json b/manifest.json
index 4205e5f..fe4514c 100644
--- a/manifest.json
+++ b/manifest.json
@@ -6,15 +6,15 @@
         "en": "Emulate videogames system and play videogames through your web browser... and more!",
         "fr": "Emulez des consoles de jeux et jouer à ces jeux vidéos dans votre explorateur web... Et beaucoup plus!"
     },
-    "version": "1.8.6~ynh1",
-    "url": "https://example.com",
+    "version": "1.9.1~ynh1",
+    "url": "http://www.retroarch.com/",
     "license": "free",
     "maintainer": {
         "name": "Krakinou",
         "email": "misterl56@hotmail.com"
     },
     "requirements": {
-        "yunohost": ">= 3.8"
+        "yunohost": ">= 4.1.7"
     },
     "multi_instance": false,
     "services": [
diff --git a/scripts/install b/scripts/install
index 2d49c66..e97d16f 100755
--- a/scripts/install
+++ b/scripts/install
@@ -37,7 +37,7 @@ app=$YNH_APP_INSTANCE_NAME
 #=================================================
 ynh_script_progression --message="Validating installation parameters..." --time --weight=1
 
-final_path=/var/www/$app
+final_path=/opt/yunohost/$app
 test ! -e "$final_path" || ynh_die --message="This path already contains a folder"
 
 # Register (book) web path
@@ -57,11 +57,9 @@ ynh_app_setting_set --app=$app --key=is_public --value=$is_public
 #=================================================
 ynh_script_progression --message="Installing dependencies..." --time --weight=1
 
-#waiting for new version of helpers to be deployed https://github.com/YunoHost/yunohost/blob/stretch-unstable/data/helpers.d/nodejs
 ynh_install_nodejs --nodejs_version=10
 ynh_use_nodejs
 ynh_npm install -g coffeescript
-#npm install -g coffeescript
 
 
 ynh_install_app_dependencies $pkg_dependencies
@@ -75,23 +73,25 @@ ynh_app_setting_set --app=$app --key=final_path --value=$final_path
 # Download, check integrity, uncompress and patch the source from app.src
 # uncompress and patch done manually as 7z format is not supported
 ynh_setup_source --dest_dir="$final_path" --source_id=$app
-7zr e $final_path/retroarch.7z -o$final_path
+#7z archive not handled by ynh and no way to strip component, have to move it manually
+7zr x $final_path/retroarch.7z -o$final_path
+mv $final_path/retroarch/* $final_path/
 rm $final_path/retroarch.7z
+rm -r $final_path/retroarch
 
 #create additionnal folders & file #https://github.com/libretro/RetroArch/tree/master/pkg/emscripten
 mkdir -p $final_path/assets/frontend/bundle
 mkdir -p $final_path/assets/cores
 touch $final_path/analytics.js #https://github.com/libretro/RetroArch/issues/4539#issuecomment-473345195
-mv $final_path/canvas.png $final_path/media/ #do not ask me why this file is not naturally at the correct place
 
 #Get the indexer as exe so that folder w/ ROMs can be indexed
 chmod +x $final_path/indexer
 
 ###install bundle source. As it is change every day (only nightly exists) - ynh_setup_source is useless
 #ynh_setup_source --dest_dir="$final_path/assets/frontend/bundle" --source_id=bundle
-wget -q $(grep 'SOURCE_URL=' "../conf/bundle.src" | cut --delimiter='=' --fields=2-) -O $final_path/assets/frontend/bundle/bundle.zip
-unzip -q $final_path/assets/frontend/bundle/bundle.zip -d $final_path/assets/frontend/bundle/
-rm $final_path/assets/frontend/bundle/bundle.zip
+#wget -q $(grep 'SOURCE_URL=' "../conf/bundle.src" | cut --delimiter='=' --fields=2-) -O $final_path/assets/frontend/bundle/bundle.zip
+#unzip -q $final_path/assets/frontend/bundle/bundle.zip -d $final_path/assets/frontend/bundle/
+#rm $final_path/assets/frontend/bundle/bundle.zip
 
 #=================================================
 # NGINX CONFIGURATION
diff --git a/scripts/remove b/scripts/remove
index a3a5c0e..dd7bf91 100755
--- a/scripts/remove
+++ b/scripts/remove
@@ -28,7 +28,9 @@ ynh_script_progression --message="Removing dependencies..." --time --weight=1
 #ynh_remove_app_dependencies
 #ynh_use_nodejs
 #ynh_npm uninstall -g coffeescript
-npm uninstall -g coffeescript
+ynh_use_nodejs
+ynh_npm uninstall -g coffeescript
+ynh_remove_nodejs
 
 
 #=================================================
@@ -55,27 +57,6 @@ else
 ynh_print_warn "/etc/nginx/mime.types has changed! Keeping current file!"
 fi
 
-#=================================================
-# SPECIFIC REMOVE
-#=================================================
-# REMOVE THE CRON FILE
-#=================================================
-
-# Remove a cron file
-#ynh_secure_remove --file="/etc/cron.d/$app"
-
-# Remove a directory securely
-#ynh_secure_remove --file="/etc/$app/"
-
-#=================================================
-# GENERIC FINALIZATION
-#=================================================
-# REMOVE DEDICATED USER
-#=================================================
-ynh_script_progression --message="Removing the dedicated system user..." --time --weight=1
-
-# Delete a system user
-ynh_system_user_delete --username=$app
 
 #=================================================
 # END OF SCRIPT