diff --git a/interface/resources/qml/hifi/commerce/checkout/Checkout.qml b/interface/resources/qml/hifi/commerce/checkout/Checkout.qml
index 98f26887ae..10894109ef 100644
--- a/interface/resources/qml/hifi/commerce/checkout/Checkout.qml
+++ b/interface/resources/qml/hifi/commerce/checkout/Checkout.qml
@@ -48,6 +48,7 @@ Rectangle {
     property bool debugCheckoutSuccess: false;
     property bool canRezCertifiedItems: Entities.canRezCertified() || Entities.canRezTmpCertified();
     property string referrer;
+    property bool isInstalled;
     // Style
     color: hifi.colors.white;
     Connections {
@@ -122,6 +123,12 @@ Rectangle {
                 root.refreshBuyUI();
             }
         }
+
+        onAppInstalled: {
+            if (appHref === root.itemHref) {
+                root.isInstalled = true;
+            }
+        }
     }
 
     onItemIdChanged: {
@@ -689,7 +696,7 @@ Rectangle {
             height: 50;
             anchors.left: parent.left;
             anchors.right: parent.right;
-            text: (root.buttonTextNormal)[itemTypesArray.indexOf(root.itemType)];
+            text: root.itemType === "app" && root.isInstalled ? "OPEN APP" : (root.buttonTextNormal)[itemTypesArray.indexOf(root.itemType)];
             onClicked: {
                 if (root.itemType === "contentSet") {
                     lightboxPopup.titleText = "Replace Content";
@@ -714,8 +721,11 @@ Rectangle {
                     lightboxPopup.button2method = "MyAvatar.useFullAvatarURL('" + root.itemHref + "'); root.visible = false;";
                     lightboxPopup.visible = true;
                 } else if (root.itemType === "app") {
-                    // "Run" button is separate.
-                    Commerce.installApp(root.itemHref);
+                    if (root.isInstalled) {
+                        Commerce.openApp(root.itemHref);
+                    } else {
+                        Commerce.installApp(root.itemHref);
+                    }
                 } else {
                     sendToScript({method: 'checkout_rezClicked', itemHref: root.itemHref, itemType: root.itemType});
                     rezzedNotifContainer.visible = true;
diff --git a/scripts/system/commerce/wallet.js b/scripts/system/commerce/wallet.js
index 9ff7038c09..8cf5b72b9a 100644
--- a/scripts/system/commerce/wallet.js
+++ b/scripts/system/commerce/wallet.js
@@ -39,7 +39,7 @@
             // for toolbar-mode: go back to home screen, this will close the window.
             tablet.gotoHomeScreen();
         } else {
-            tablet.loadQMLSource(MARKETPLACE_PURCHASES_QML_PATH);
+            tablet.loadQMLSource(WALLET_QML_SOURCE);
         }
     }
 
diff --git a/scripts/system/marketplaces/marketplaces.js b/scripts/system/marketplaces/marketplaces.js
index ecd1bf2a6e..8f51d88f2d 100644
--- a/scripts/system/marketplaces/marketplaces.js
+++ b/scripts/system/marketplaces/marketplaces.js
@@ -552,10 +552,6 @@ var selectionDisplay = null; // for gridTool.js to ignore
             case 'checkout_rezClicked':
             case 'purchases_rezClicked':
                 rezEntity(message.itemHref, message.itemType);
-                break;
-            case 'checkout_installClicked':
-            case 'purchases_installClicked':
-                
                 break;
             case 'header_marketplaceImageClicked':
             case 'purchases_backClicked':