diff --git a/README.md b/README.md
index 7b28bee..241ebd4 100644
--- a/README.md
+++ b/README.md
@@ -19,23 +19,15 @@ npm install
 DEBUG=pitaya* npm start
 ```
 
-## Options
+## Variables d'environnement
 
-```
---profile=<chemin_profile>    Chemin vers le fichier de profil à charger dans l'application.
---edit                        Ouvrir l'application en mode édition.
-```
+Vous pouvez configurer le comportement de Pitaya en passant des variables d'environnement:
 
-### Passer des options en développement
-
-```
-npm start -- [options...]
-```
-
-Exemple:
-```
-npm start -- --profile=my-profile.json
-```
+| Variable          | Description                        | Valeurs possibles | Valeur par défaut      |
+|-------------------|------------------------------------|-------------------|------------------------|
+| PITAYA_MODE       | Mode d'exécution de Pitaya         | launcher, edit    | launcher               |
+| PITAYA_PROFILE    | Chemin du fichier profil à charger | --                | ./default-profile.json |
+| PITAYA_AS_DESKTOP | Afficher Pitaya en mode "Bureau"   | 1, 0              | 0                      |
 
 ## Comment construire l'application depuis les sources
 
diff --git a/js/app.jsx b/js/app.jsx
index fb7e2a8..935352d 100644
--- a/js/app.jsx
+++ b/js/app.jsx
@@ -10,7 +10,7 @@ var App = React.createClass({
 
   render: function() {
 
-    var editMode = this.props.processOpts.edit || false;
+    var editMode = process.env.PITAYA_MODE === 'edit';
 
     var view = editMode ? <EditView /> : <LauncherView />;
 
diff --git a/js/components/launcher/launcher-view.jsx b/js/components/launcher/launcher-view.jsx
index 7be494e..635d570 100644
--- a/js/components/launcher/launcher-view.jsx
+++ b/js/components/launcher/launcher-view.jsx
@@ -21,7 +21,7 @@ var LauncherView = React.createClass({
   },
 
   componentDidMount: function() {
-    var profilePath = this.props.processOpts.profile || DEFAULT_PROFILE;
+    var profilePath = process.env.PITAYA_PROFILE || DEFAULT_PROFILE;
     this.props.dispatch(actions.common.loadProfile(profilePath));
   },
 
diff --git a/js/store/index.js b/js/store/index.js
index 87b7fd6..c448a5b 100644
--- a/js/store/index.js
+++ b/js/store/index.js
@@ -1,6 +1,5 @@
 var redux = require('redux');
 var thunkMiddleware = require('redux-thunk');
-var loggerMiddleware = require('redux-logger');
 var reducers = require('./reducers');
 var loggerMiddleware = require('./middlewares/logger');
 
diff --git a/js/store/reducers/index.js b/js/store/reducers/index.js
index 7a61a24..0207160 100644
--- a/js/store/reducers/index.js
+++ b/js/store/reducers/index.js
@@ -1,4 +1,3 @@
 exports.desktopApps = require('./desktop-apps');
 exports.profile = require('./profile');
-exports.processOpts = require('./process-opts');
 exports.theme = require('./theme');
diff --git a/js/store/reducers/process-opts.js b/js/store/reducers/process-opts.js
deleted file mode 100644
index 79bf1d0..0000000
--- a/js/store/reducers/process-opts.js
+++ /dev/null
@@ -1,7 +0,0 @@
-var minimist = require('minimist');
-
-var opts = minimist(process.argv);
-
-module.exports = function(state, action) {
-  return opts;
-};
diff --git a/js/util/const.js b/js/util/const.js
new file mode 100644
index 0000000..6c1a858
--- /dev/null
+++ b/js/util/const.js
@@ -0,0 +1,2 @@
+exports.EDIT_MODE = 'edit';
+exports.LAUNCHER_MODE = 'launcher';
diff --git a/js/util/debug.js b/js/util/debug.js
index dc72a88..b931e3f 100644
--- a/js/util/debug.js
+++ b/js/util/debug.js
@@ -3,15 +3,5 @@ var util = require('util');
 
 module.exports = function createLogger(namespace) {
   var logger = debug('pitaya:'+namespace);
-  var isNWContext = 'window' in global;
-  var console = isNWContext ? global.window.console : global.console;
-  logger.log = function() {
-    if(isNWContext) {
-      console.log.apply(console, arguments);
-    } else {
-      var str = util.format.apply(util, arguments);
-      console.log(str);
-    }
-  };
   return logger;
 };
diff --git a/main.js b/main.js
index 07d4351..55f5318 100644
--- a/main.js
+++ b/main.js
@@ -1,5 +1,6 @@
 var app = require('app');  // Module to control application life.
 var BrowserWindow = require('browser-window');  // Module to create native browser window.
+var constants = require('./js/util/const');
 
 var mainWindow = null;
 
@@ -13,10 +14,12 @@ app.on('ready', function() {
   var electronScreen = require('screen');
   var size = electronScreen.getPrimaryDisplay().workAreaSize;
 
+  var asDesktop = process.env.PITAYA_AS_DESKTOP == 1;
+
   mainWindow = new BrowserWindow({
-    type: 'desktop',
-    'skip-taskbar': true,
-    frame: false,
+    type:  asDesktop ? 'desktop' : undefined,
+    'skip-taskbar': asDesktop,
+    frame: !asDesktop,
     width: size.width,
     height: size.height
   });