diff --git a/debian/changelog b/debian/changelog
index df537b2..87d3040 100644
--- a/debian/changelog
+++ b/debian/changelog
@@ -1,11 +1,15 @@
-lubuntu-default-settings (0.37) UNRELEASED; urgency=low
+lubuntu-default-settings (0.37~ppa1) trusty; urgency=low
 
   * debian/lubuntu-default-settings.install:
    - Re-add missing lubuntu-logout.desktop.
   * etc/xdg/lxsession/*/desktop.conf
    - Remove nm-applet to avoid dupplicate on startup.
+  * debian/control:
+   - Create lubuntu-extra-sessions to isolate experimental sessions.
+  * debian/lubuntu-default-settings & debian/lubuntu-extra-sessions
+   - Move files of the extra sessions.
 
- -- Julien Lavergne <gilir@ubuntu.com>  Sun, 09 Feb 2014 14:40:01 +0100
+ -- Julien Lavergne <gilir@ubuntu.com>  Tue, 18 Feb 2014 22:42:30 +0100
 
 lubuntu-default-settings (0.36) trusty; urgency=low
 
diff --git a/debian/control b/debian/control
index 4a1a0da..d4c2671 100644
--- a/debian/control
+++ b/debian/control
@@ -29,11 +29,21 @@ Suggests: amixer,
 Description: default settings for Lubuntu
  Various system settings tailored for Lubuntu.
 
+Package: lubuntu-extra-sessions
+Architecture: all
+Pre-Depends: ${misc:Pre-Depends}
+Depends: ${misc:Depends},
+         lubuntu-default-settings
+Breaks: lubuntu-default-settings (<< 0.37)
+Description: extra session for differents default settings of Lubuntu
+ Various system settings tailored for various version of Lubuntu.
+
 Package: lxgames-default-session
 Architecture: all
 Depends: ${misc:Depends},
          lubuntu-default-settings,
-         lightdm-gtk-greeter (>= 1.3.0)
+         lightdm-gtk-greeter (>= 1.3.0),
+         lubuntu-extra-sessions
 Provides: lightdm-gtk-greeter-config
 Description: Set default session to lxgames
  This package sets the default session to lxgames by default.
@@ -51,7 +61,8 @@ Package: lubuntu-nexus7-default-session
 Architecture: all
 Depends: ${misc:Depends},
          lubuntu-default-settings,
-         lightdm-gtk-greeter (>= 1.3.0)
+         lightdm-gtk-greeter (>= 1.3.0),
+         lubuntu-extra-sessions
 Provides: lightdm-gtk-greeter-config
 Description: Set default session to Lubuntu Nexus7 version
  This package sets the default session to Lubuntu Nexus7 version by default.
@@ -67,7 +78,8 @@ Package: qlubuntu-default-session
 Architecture: all
 Depends: ${misc:Depends},
          lubuntu-default-settings,
-         razorqt-lightdm-greeter (>= 0.5.2)
+         razorqt-lightdm-greeter (>= 0.5.2),
+         lubuntu-extra-sessions
 Provides: razorqt-lightdm-greeter-config
 Description: Set default session to QLubuntu version
  This package sets the default session to QLubuntu version by default.
diff --git a/debian/lubuntu-default-settings.install b/debian/lubuntu-default-settings.install
index d02f0b2..841a8ea 100644
--- a/debian/lubuntu-default-settings.install
+++ b/debian/lubuntu-default-settings.install
@@ -1,9 +1,24 @@
-etc/
+etc/xdg/lubuntu/applications/
+etc/xdg/lubuntu/libfm/
+etc/xdg/lubuntu/lightdm/
+etc/xdg/lubuntu/lxdm/
+etc/xdg/lubuntu/lxterminal/
+etc/xdg/lubuntu/menus/lxde-applications.menu
+etc/xdg/lubuntu/menus/lxgames-applications.menu
+etc/xdg/lxsession/Lubuntu/
+etc/xdg/lxsession/Lubuntu-Netbook/
+etc/xdg/pcmanfm/
 usr/bin/
-usr/share/gdm/
-usr/share/lubuntu/
-usr/share/lxpanel/
-usr/share/upstart/sessions/
-usr/share/xsessions/
 usr/share/applications/lubuntu-screenlock.desktop
 usr/share/applications/lubuntu-logout.desktop
+usr/share/gdm/
+usr/share/lubuntu/leafpad/
+usr/share/lubuntu/openbox/menu.xml
+usr/share/lubuntu/openbox/rc.xml
+usr/share/lubuntu/pcmanfm/
+usr/share/lubuntu/qt/Trolltech.conf
+usr/share/lubuntu/xscreensaver/
+usr/share/lxpanel/profile/Lubuntu/
+usr/share/upstart/sessions/
+usr/share/xsessions/Lubuntu.desktop
+usr/share/xsessions/Lubuntu-Netbook.desktop
diff --git a/debian/lubuntu-extra-sessions.install b/debian/lubuntu-extra-sessions.install
new file mode 100644
index 0000000..a8be7bf
--- /dev/null
+++ b/debian/lubuntu-extra-sessions.install
@@ -0,0 +1,11 @@
+etc/xdg/lubuntu/menus/lubuntu-nexus7-applications.menu
+etc/xdg/lxsession/Lubuntu-Nexus7/
+etc/xdg/lxsession/LX-Games/
+etc/xdg/lxsession/QLubuntu/
+usr/share/lubuntu/openbox/nexus-rc.xml
+usr/share/lubuntu/pcmanfm-qt/
+usr/share/lubuntu/qt/Trolltech-qt-session.conf
+usr/share/lxpanel/profile/Lubuntu-Nexus7/
+usr/share/xsessions/lubuntu-nexus7.desktop
+usr/share/xsessions/QLubuntu.desktop
+usr/share/xsessions/lxgames.desktop