diff --git a/addons/point_of_sale/static/src/css/pos.css b/addons/point_of_sale/static/src/css/pos.css
index d5fcd663fc3..8e1fcb8c28e 100644
--- a/addons/point_of_sale/static/src/css/pos.css
+++ b/addons/point_of_sale/static/src/css/pos.css
@@ -3,6 +3,10 @@
     src: url(../fonts/Inconsolata.otf);
 }
 
+.oe_hidden{
+    display: none !important;
+}
+
 .pos {
     padding: 0;
     margin: 0;
@@ -416,6 +420,7 @@
     overflow: hidden;
     overflow-y: auto;
     -webkit-overflow-scrolling: touch;
+    -webkit-transform: translate3d(0,0,0);
 
 }
 .pos .product-list-container {
diff --git a/addons/point_of_sale/static/src/js/screens.js b/addons/point_of_sale/static/src/js/screens.js
index a133587fcca..4c5f2245e0d 100644
--- a/addons/point_of_sale/static/src/js/screens.js
+++ b/addons/point_of_sale/static/src/js/screens.js
@@ -970,7 +970,7 @@ function openerp_pos_screens(instance, module){ //module is instance.point_of_sa
 
             var currentOrder = this.pos.get('selectedOrder');
 
-            if(currentOrder.getPaidTotal() + 0.000001 < currentOrder.getTotalTaxIncluded()){
+            if(!this.isPaymentPaid()){
                 return;
             }
 
@@ -1066,6 +1066,12 @@ function openerp_pos_screens(instance, module){ //module is instance.point_of_sa
         	this.currentPaymentLines.remove([lineWidget.payment_line]);
             lineWidget.destroy();
         },
+        isPaymentPaid: function(){
+            var currentOrder = this.pos.get('selectedOrder');
+            return (currentOrder.getTotalTaxIncluded < 0.000001 
+                   && currentOrder.getPaidTotal() + 0.000001 < currentOrder.getTotalTaxIncluded());
+
+        },
         updatePaymentSummary: function() {
             var currentOrder = this.pos.get('selectedOrder');
             var paidTotal = currentOrder.getPaidTotal();
@@ -1082,8 +1088,8 @@ function openerp_pos_screens(instance, module){ //module is instance.point_of_sa
             }
                 
             if(this.pos_widget.action_bar){
-                this.pos_widget.action_bar.set_button_disabled('validation', remaining > 0.000001);
-                this.pos_widget.action_bar.set_button_disabled('invoice', remaining > 0.000001);
+                this.pos_widget.action_bar.set_button_disabled('validation', this.isPaymentPaid());
+                this.pos_widget.action_bar.set_button_disabled('invoice', this.isPaymentPaid());
             }
         },
         set_numpad_state: function(numpadState) {
diff --git a/addons/point_of_sale/static/src/js/widgets.js b/addons/point_of_sale/static/src/js/widgets.js
index 6c65528f402..6a222cd1ca4 100644
--- a/addons/point_of_sale/static/src/js/widgets.js
+++ b/addons/point_of_sale/static/src/js/widgets.js
@@ -213,13 +213,13 @@ function openerp_pos_widgets(instance, module){ //module is instance.point_of_sa
             var scroller = this.$('.order-scroller')[0];
             var scrollbottom = true;
             var scrollTop = 0;
-            if(scroller){
+            /*if(scroller){
                 var overflow_bottom = scroller.scrollHeight - scroller.clientHeight;
                 scrollTop = scroller.scrollTop;
                 if( !goto_bottom && scrollTop < 0.9 * overflow_bottom){
                     scrollbottom = false;
                 }
-            }
+            }*/
             this._super();
 
             // freeing subwidgets
@@ -245,11 +245,13 @@ function openerp_pos_widgets(instance, module){ //module is instance.point_of_sa
 
             scroller = this.$('.order-scroller')[0];
             if(scroller){
+                //scroller.scrollTop = 1000000;
+                /*
                 if(scrollbottom){
                     scroller.scrollTop = scroller.scrollHeight - scroller.clientHeight;
                 }else{
                     scroller.scrollTop = scrollTop;
-                }
+                }*/
             }
         },
         update_summary: function(){
@@ -835,6 +837,12 @@ function openerp_pos_widgets(instance, module){ //module is instance.point_of_sa
                     self.pos.delete_current_order();
                 });
                 
+                $('body').on('keyup',function(event){
+                    if(event.which === 13){
+                        self.set_fullscreen();
+                    }
+                });
+                
                 //when a new order is created, add an order button widget
                 self.pos.get('orders').bind('add', function(new_order){
                     var new_order_button = new module.OrderButtonWidget(null, {
@@ -858,6 +866,13 @@ function openerp_pos_widgets(instance, module){ //module is instance.point_of_sa
 
                 self.pos.barcode_reader.connect();
 
+                if(!$('#oe-fullscreenwidget-viewport').length){
+                    $('head').append('<meta id="oe-pos-viewport" name="viewport" content=" width=1024px; user-scalable=no;">');
+                    $('head').append('<meta id="oe-pos-apple-mobile" name="apple-mobile-web-capable" content="yes">');
+                }
+
+                $('.oe_leftbar').addClass('oe_hidden');
+
                 instance.webclient.set_content_full_screen(true);
 
                 if (!self.pos.get('pos_session')) {
@@ -1050,7 +1065,11 @@ function openerp_pos_widgets(instance, module){ //module is instance.point_of_sa
                 }
             }
         },
-
+        set_fullscreen: function(){
+            if(this.el.webkitRequestFullscreen){
+                this.el.webkitRequestFullscreen();
+            }
+        },
         //shows or hide the leftpane (contains the list of orderlines, the numpad, the paypad, etc.)
         set_leftpane_visible: function(visible){
             if(visible !== this.leftpane_visible){
@@ -1105,6 +1124,9 @@ function openerp_pos_widgets(instance, module){ //module is instance.point_of_sa
         destroy: function() {
             this.pos.destroy();
             instance.webclient.set_content_full_screen(false);
+            $('.oe_leftbar').removeClass('oe_hidden');
+            $('#oe-pos-viewport').remove();
+            $('#oe-pos-apple-mobile').remove();
             this._super();
         }
     });
diff --git a/addons/point_of_sale/static/src/xml/pos.xml b/addons/point_of_sale/static/src/xml/pos.xml
index 6686015df5c..42e5b7ef44d 100644
--- a/addons/point_of_sale/static/src/xml/pos.xml
+++ b/addons/point_of_sale/static/src/xml/pos.xml
@@ -580,7 +580,7 @@
                 <t t-esc="widget.name"/>
             </td>
             <td class="paymentline-amount pos-right-align">
-                <input type="text" t-att-value="widget.payment_line.get_amount().toFixed(2)" />
+                <input type="number" t-att-value="widget.payment_line.get_amount().toFixed(2)" />
                 <a href='javascript:void(0)' class='delete-payment-line'><img src="/point_of_sale/static/src/img/search_reset.gif" /></a>
             </td>
         </tr>