default.patch

--- orig/HomePage.qml
+++ default/HomePage.qml
@@ -715,6 +715,18 @@
                 }
                 onTouched: tabView.activateTab(settingsPage)
             }
+
+            BasicButton {
+                objectName: "haButton"
+                style: HomePageButtonStyle {
+                    pressedImage: "images/function_btn_p.svg"
+                    pressedIcon: "images/settings_icon_p.svg"
+                    defaultIcon: "images/settings_icon.svg"
+                    defaultImage: "images/function_btn.svg"
+                    description: "HomeAssistant"
+                }
+                onTouched: tabView.activateTab(haPage)
+            }
         }
     }
 
--- orig/MainApp.qml
+++ default/MainApp.qml
@@ -13,6 +13,7 @@
         tabs: [
             homePage,
             settingsPage,
+            haPage,
             audiocallPage,
             memoPage,
             readMemo,
@@ -110,6 +111,11 @@
     PageLoader {
         id: settingsPage
         sourceUrl: "Settings.qml"
+    }
+
+    PageLoader {
+        id: haPage
+        sourceUrl: "HomeAssistant.qml"
     }
 
     PageLoader {
Only in default: js/ha.js