diff --git a/OBI.php b/OBI.php
new file mode 100644
index 0000000..59b05ee
--- /dev/null
+++ b/OBI.php
@@ -0,0 +1,124 @@
+<?php
+/* 
+    OBI.php
+
+    Copyright (c) 2015 - 2016 Andreas Schmidhuber
+    All rights reserved.
+
+    Redistribution and use in source and binary forms, with or without
+    modification, are permitted provided that the following conditions are met:
+
+    1. Redistributions of source code must retain the above copyright notice, this
+       list of conditions and the following disclaimer.
+    2. Redistributions in binary form must reproduce the above copyright notice,
+       this list of conditions and the following disclaimer in the documentation
+       and/or other materials provided with the distribution.
+
+    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+    ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+    WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+    DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
+    ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+    (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+    LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+    ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+    (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+    SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+    The views and conclusions contained in the software and documentation are those
+    of the authors and should not be interpreted as representing official policies,
+    either expressed or implied, of the FreeBSD Project.
+ */
+require("auth.inc");
+require("guiconfig.inc");
+
+$application = "OneButtonInstaller";
+$pgtitle = array(gettext("Extensions"), gettext($application), gettext("Configuration"));
+
+if (!isset($config['onebuttoninstaller']) || !is_array($config['onebuttoninstaller'])) $config['onebuttoninstaller'] = array();
+
+/* Check if the directory exists, the mountpoint has at least o=rx permissions and
+ * set the permission to 775 for the last directory in the path
+ */
+function change_perms($dir) {
+    global $input_errors;
+
+    $path = rtrim($dir,'/');                                            // remove trailing slash
+    if (strlen($path) > 1) {
+        if (!is_dir($path)) {                                           // check if directory exists
+            $input_errors[] = sprintf(gettext("Directory %s doesn't exist!"), $path);
+        }
+        else {
+            $path_check = explode("/", $path);                          // split path to get directory names
+            $path_elements = count($path_check);                        // get path depth
+            $fp = substr(sprintf('%o', fileperms("/$path_check[1]/$path_check[2]")), -1);   // get mountpoint permissions for others
+            if ($fp >= 5) {                                             // transmission needs at least read & search permission at the mountpoint
+                $directory = "/$path_check[1]/$path_check[2]";          // set to the mountpoint
+                for ($i = 3; $i < $path_elements - 1; $i++) {           // traverse the path and set permissions to rx
+                    $directory = $directory."/$path_check[$i]";         // add next level
+                    exec("chmod o=+r+x \"$directory\"");                // set permissions to o=+r+x
+                }
+                $path_elements = $path_elements - 1;
+                $directory = $directory."/$path_check[$path_elements]"; // add last level
+                exec("chmod 775 {$directory}");                         // set permissions to 775
+                exec("chown {$_POST['who']} {$directory}*");
+            }
+            else
+            {
+                $input_errors[] = sprintf(gettext("%s needs at least read & execute permissions at the mount point for directory %s! Set the Read and Execute bits for Others (Access Restrictions | Mode) for the mount point %s (in <a href='disks_mount.php'>Disks | Mount Point | Management</a> or <a href='disks_zfs_dataset.php'>Disks | ZFS | Datasets</a>) and hit Save in order to take them effect."), $application, $path, "/{$path_check[1]}/{$path_check[2]}");
+            }
+        }
+    }
+}
+
+if (isset($_POST['save']) && $_POST['save']) {
+    unset($input_errors);
+	if (empty($input_errors)) {
+        $config['onebuttoninstaller']['storage_path'] = !empty($_POST['storage_path']) ? $_POST['storage_path'] : $g['media_path'];
+        $config['onebuttoninstaller']['storage_path'] = rtrim($config['onebuttoninstaller']['storage_path'],'/');         // ensure to have NO trailing slash
+        if (!is_dir($config['onebuttoninstaller']['storage_path'])) mkdir($config['onebuttoninstaller']['storage_path'], 0775, true);
+        change_perms($config['onebuttoninstaller']['storage_path']);
+        $install_dir = $config['onebuttoninstaller']['storage_path']."/";   // get directory where the installer script resides
+        if (!is_dir("{$install_dir}onebuttoninstaller/log")) { mkdir("{$install_dir}onebuttoninstaller/log", 0775, true); }
+        $return_val = mwexec("fetch {$verify_hostname} -vo {$install_dir}onebuttoninstaller/onebuttoninstaller-install.php 'https://raw.github.com/crestAT/nas4free-onebuttoninstaller/master/onebuttoninstaller/onebuttoninstaller-install.php'", true);
+        if ($return_val == 0) {
+            chmod("{$install_dir}onebuttoninstaller/onebuttoninstaller-install.php", 0775);
+            require_once("{$install_dir}onebuttoninstaller/onebuttoninstaller-install.php");
+        }
+        else { 
+            $input_errors[] = sprintf(gettext("Installation file %s not found, installation aborted!"), "{$install_dir}onebuttoninstaller/onebuttoninstaller-install.php");
+            exit; 
+        }
+        mwexec("rm -Rf ext/OBI; rm -f OBI.php", true);
+        header("Location:onebuttoninstaller-config.php");
+    }
+}
+
+if (isset($_POST['cancel']) && $_POST['cancel']) {
+    $return_val = mwexec("rm -Rf ext/OBI; rm -f OBI.php", true);
+    if ($return_val == 0) { $savemsg .= $application." ".gettext("not installed"); }
+    else { $input_errors[] = $application." removal failed"; }
+    header("Location:index.php");
+}
+
+$pconfig['storage_path'] = !empty($config['onebuttoninstaller']['storage_path']) ? $config['onebuttoninstaller']['storage_path'] : $g['media_path'];
+
+include("fbegin.inc"); ?>
+<form action="OBI.php" method="post" name="iform" id="iform">
+    <table width="100%" border="0" cellpadding="0" cellspacing="0">
+    <tr><td class="tabcont">
+        <?php if (!empty($input_errors)) print_input_errors($input_errors);?>
+        <?php if (!empty($savemsg)) print_info_box($savemsg);?>
+        <table width="100%" border="0" cellpadding="6" cellspacing="0">
+            <?php html_titleline($application);?>
+			<?php html_filechooser("storage_path", gettext("Common directory"), $pconfig['storage_path'], gettext("Common root directory for all extensions (a persistant place where all extensions are/should be - a directory below <b>/mnt/</b>)."), $pconfig['storage_path'], true, 60);?>
+        </table>
+        <div id="submit">
+			<input id="save" name="save" type="submit" class="formbtn" value="<?=gettext("Save");?>"/>
+			<input id="cancel" name="cancel" type="submit" class="formbtn" value="<?=gettext("Cancel");?>"/>
+        </div>
+	</td></tr>
+	</table>
+	<?php include("formend.inc");?>
+</form>
+<?php include("fend.inc");?>
diff --git a/README.md b/README.md
index 596510c..53ad7c6 100644
--- a/README.md
+++ b/README.md
@@ -1 +1,31 @@
-Description -> will follow soon!
+OneButtonInstaller
+------------------
+
+NAS4Free extension to display and install all known available Extensions/Add-Ons directly inside the NAS4Free WebGUI 
+just with the press of one button without the need to use the CLI.
+
+The extension
+- allows the installation of all known Extensions/Add-Ons inside the NAS4Free WebGUI with a common interface
+- allows a One Button Installation, just by selecting one or more entries and pressing 'Install'
+- shows all known available/installed Extensions/Add-Ons on one page with a short description and links to the appropriate forum threads
+- pre-checks and displays known unsupported platforms/architectures per extension
+- features manual/automatic update of the Extensions list to get new extensions to install
+- is based on the current installation procedures of the currently known extension/add-ons
+- works on all plattforms
+- does not need jail or pkg_add.
+- add pages to NAS4Free WebGUI
+- features easy installation, configuration and extension update & removal management
+
+INSTALLATION
+------------
+1. Prior to the installation perform a backup of the NAS4Free configuration via SYSTEM | BACKUP/RESTORE | Download configuration.
+2. Open the NAS4Free WebGUI menu entry ADVANCED | COMMAND, copy the following line, paste it to the command field and push "Execute", this will copy the installer to your system:
+    <pre>fetch https://raw.github.com/crestAT/nas4free-onebuttoninstaller/master/OBI.php && \
+mkdir -p ext/OBI; echo '<a href="OBI.php">OneButtonInstaller</a>' > ext/OBI/menu.inc
+</pre>
+3. Open the NAS4Free WebGUI menu entry EXTENSIONS | OneButtonInstaller, choose a directory to install the extension to and hit 'Save' to finish the installation or hit 'Cancel' to abort and remove the installer from the system.
+4. After successful completion you can access the extension from the WebGUI menu entry EXTENSIONS | OneButtonInstaller.
+
+DISCLAIMER
+----------
+This Extensions is provided AS-IS, I'm NOT responsible for any data loss or damage caused by the use of it, use it solely at your own risk.
diff --git a/onebuttoninstaller/ext/onebuttoninstaller-config.php b/onebuttoninstaller/ext/onebuttoninstaller-config.php
index 6e1c505..25a9e49 100644
--- a/onebuttoninstaller/ext/onebuttoninstaller-config.php
+++ b/onebuttoninstaller/ext/onebuttoninstaller-config.php
@@ -130,7 +130,7 @@ function enable_change(enable_change) {
             <?php html_checkbox("auto_update", gettext("Update"), $pconfig['auto_update'], gettext("Update extensions list automatically."), "", false);?>
         </table>
         <div id="submit">
-			<input id="save" name="save" type="submit" class="formbtn" value="<?=gettext("Save & Restart");?>"/>
+			<input id="save" name="save" type="submit" class="formbtn" value="<?=gettext("Save");?>"/>
         </div>
 	</td></tr>
 	</table>
diff --git a/onebuttoninstaller/locale-obi/de/LC_MESSAGES/nas4free.mo b/onebuttoninstaller/locale-obi/de/LC_MESSAGES/nas4free.mo
index 24f6562..799b1c7 100644
Binary files a/onebuttoninstaller/locale-obi/de/LC_MESSAGES/nas4free.mo and b/onebuttoninstaller/locale-obi/de/LC_MESSAGES/nas4free.mo differ
diff --git a/onebuttoninstaller/locale-obi/el/LC_MESSAGES/nas4free.mo b/onebuttoninstaller/locale-obi/el/LC_MESSAGES/nas4free.mo
index 717fb16..bb6c85b 100644
Binary files a/onebuttoninstaller/locale-obi/el/LC_MESSAGES/nas4free.mo and b/onebuttoninstaller/locale-obi/el/LC_MESSAGES/nas4free.mo differ
diff --git a/onebuttoninstaller/locale-obi/es/LC_MESSAGES/nas4free.mo b/onebuttoninstaller/locale-obi/es/LC_MESSAGES/nas4free.mo
index 20f1367..bbd8d48 100644
Binary files a/onebuttoninstaller/locale-obi/es/LC_MESSAGES/nas4free.mo and b/onebuttoninstaller/locale-obi/es/LC_MESSAGES/nas4free.mo differ
diff --git a/onebuttoninstaller/locale-obi/fr/LC_MESSAGES/nas4free.mo b/onebuttoninstaller/locale-obi/fr/LC_MESSAGES/nas4free.mo
index 3e8500a..cd916a1 100644
Binary files a/onebuttoninstaller/locale-obi/fr/LC_MESSAGES/nas4free.mo and b/onebuttoninstaller/locale-obi/fr/LC_MESSAGES/nas4free.mo differ
diff --git a/onebuttoninstaller/locale-obi/it/LC_MESSAGES/nas4free.mo b/onebuttoninstaller/locale-obi/it/LC_MESSAGES/nas4free.mo
index 923684a..fec2e44 100644
Binary files a/onebuttoninstaller/locale-obi/it/LC_MESSAGES/nas4free.mo and b/onebuttoninstaller/locale-obi/it/LC_MESSAGES/nas4free.mo differ
diff --git a/onebuttoninstaller/locale-obi/nl/LC_MESSAGES/nas4free.mo b/onebuttoninstaller/locale-obi/nl/LC_MESSAGES/nas4free.mo
new file mode 100644
index 0000000..8325ff1
Binary files /dev/null and b/onebuttoninstaller/locale-obi/nl/LC_MESSAGES/nas4free.mo differ
diff --git a/onebuttoninstaller/locale-obi/ro/LC_MESSAGES/nas4free.mo b/onebuttoninstaller/locale-obi/ro/LC_MESSAGES/nas4free.mo
new file mode 100644
index 0000000..8d85c23
Binary files /dev/null and b/onebuttoninstaller/locale-obi/ro/LC_MESSAGES/nas4free.mo differ
diff --git a/onebuttoninstaller/locale-obi/ru/LC_MESSAGES/nas4free.mo b/onebuttoninstaller/locale-obi/ru/LC_MESSAGES/nas4free.mo
index 709552a..6640510 100644
Binary files a/onebuttoninstaller/locale-obi/ru/LC_MESSAGES/nas4free.mo and b/onebuttoninstaller/locale-obi/ru/LC_MESSAGES/nas4free.mo differ
diff --git a/onebuttoninstaller/onebuttoninstaller-install.php b/onebuttoninstaller/onebuttoninstaller-install.php
index b1c31d9..144e59c 100644
--- a/onebuttoninstaller/onebuttoninstaller-install.php
+++ b/onebuttoninstaller/onebuttoninstaller-install.php
@@ -29,29 +29,15 @@
     of the authors and should not be interpreted as representing official policies,
     either expressed or implied, of the FreeBSD Project.
 */
-/* 
-Version Date        Description
-0.1-b6  2016.06.16  recognition of extensions without GUI / config.xml entries
-0.1-b4  2016.04.07  2451 compatibility
-0.1-b3  2016.02.06  N: add language support
-0.1-b2  2016.02.02  N: check for supported architecture, plattform
-                    N: auto update of extensions list
-0.1-b1  2016.01.28  real install/update from GitHub
-0.1-a6  2016.01.28  include spinner with overlay
-0.1-a5  2016.01.27  output buffering working now
-0.1-a4  2016.01.25  initial release
-0.1-a1  2016.01.16  initial release
-                    
-*/
-$v = "v0.1-b6";      // extension version
+$v = "v0.1-b7";      // extension version
 $appname = "OneButtonInstaller";
 
 require_once("config.inc");
 
 $arch = $g['arch'];
 $platform = $g['platform'];
-if (($arch != "i386" && $arch != "amd64") && ($arch != "x86" && $arch != "x64" && $arch != "rpi")) { echo "\f{$arch} is an unsupported architecture!\n"; exit(1);  }
-if ($platform != "embedded" && $platform != "full" && $platform != "livecd" && $platform != "liveusb") { echo "\funsupported platform!\n";  exit(1); }
+//if (($arch != "i386" && $arch != "amd64") && ($arch != "x86" && $arch != "x64" && $arch != "rpi" && $arch != "rpi2")) { echo "\f{$arch} is an unsupported architecture!\n"; exit(1);  }
+//if ($platform != "embedded" && $platform != "full" && $platform != "livecd" && $platform != "liveusb") { echo "\funsupported platform!\n";  exit(1); }
 
 // install extension
 global $input_errors;
@@ -108,8 +94,8 @@ if ( !isset($config['onebuttoninstaller']) || !is_array($config['onebuttoninstal
     $config['rc']['shutdown']['cmd'][$i] = $config['onebuttoninstaller']['rootfolder']."onebuttoninstaller_stop.php";
     write_config();
     require_once("{$config['onebuttoninstaller']['rootfolder']}onebuttoninstaller-start.php");
-    echo "\n".$appname." Version ".$config['onebuttoninstaller']['version']." installed";
-    echo "\n\nInstallation completed, use WebGUI | Extensions | ".$appname." to configure \nthe application (don't forget to refresh the WebGUI before use)!\n";
+//    echo "\n".$appname." Version ".$config['onebuttoninstaller']['version']." installed";
+//    echo "\n\nInstallation completed, use WebGUI | Extensions | ".$appname." to configure \nthe application (don't forget to refresh the WebGUI before use)!\n";
 }
 else {
 // update release
diff --git a/onebuttoninstaller/release_notes.txt b/onebuttoninstaller/release_notes.txt
index 6c376ca..c742d7e 100644
--- a/onebuttoninstaller/release_notes.txt
+++ b/onebuttoninstaller/release_notes.txt
@@ -1,6 +1,7 @@
 Version Date        Description
-0.1-b6  2016.06.16  recognition of extensions without GUI / config.xml entries
-0.1-b4  2016.04.07  2451 compatibility
+0.1-b7  2016.07.23  N: OBI extension installer
+0.1-b6  2016.06.16  N: recognition of extensions without GUI / config.xml entries
+0.1-b4  2016.04.07  C: 2451 compatibility
 0.1-b3  2016.02.06  N: add language support
 0.1-b2  2016.02.01  N: check for supported architecture, plattform
                     N: auto update of extensions list
diff --git a/onebuttoninstaller/version.txt b/onebuttoninstaller/version.txt
index c1ed2ad..6a97bb5 100644
--- a/onebuttoninstaller/version.txt
+++ b/onebuttoninstaller/version.txt
@@ -1 +1 @@
-0.1-b6
+0.1-b7
diff --git a/onebuttoninstaller_install.php b/onebuttoninstaller_install.php
deleted file mode 100644
index 9117070..0000000
--- a/onebuttoninstaller_install.php
+++ /dev/null
@@ -1,18 +0,0 @@
-#!/usr/local/bin/php-cgi -f
-<?php
-require_once("config.inc");
-
-// check FreeBSD release for fetch options >= 9.3
-$release = explode("-", exec("uname -r"));
-if ($release[0] >= 9.3) $verify_hostname = "--no-verify-hostname";
-else $verify_hostname = "";
-
-$install_dir = dirname(__FILE__)."/";                           // get directory where the installer script resides
-if (!is_dir("{$install_dir}onebuttoninstaller/log")) { mkdir("{$install_dir}onebuttoninstaller/log", 0775, true); }
-$return_val = mwexec("fetch {$verify_hostname} -vo onebuttoninstaller/onebuttoninstaller-install.php 'https://raw.github.com/crestAT/nas4free-onebuttoninstaller/master/onebuttoninstaller/onebuttoninstaller-install.php'", true);
-if ($return_val == 0) { 
-    chmod("onebuttoninstaller/onebuttoninstaller-install.php", 0775);
-    require_once("onebuttoninstaller/onebuttoninstaller-install.php"); 
-}
-else { echo "\nInstallation file 'onebuttoninstaller-install.php' not found, installation aborted!\n"; }
-?>