diff --git a/src/hardware.js b/src/hardware.js
index f399820..3bcef1a 100644
--- a/src/hardware.js
+++ b/src/hardware.js
@@ -19,6 +19,10 @@ global.HARDWARE = global.HARDWARE || {
     },
     notifiers: [],
   },
+  keyboard: {
+    visible: null,
+    notifiers: [],
+  },
 };
 
 /**
@@ -69,6 +73,23 @@ const init = async (args) => {
   console.log(`\nDisplay Status [${HARDWARE.display.status.path}]:`, getDisplayStatus());
   console.log(`Display Brightness [${HARDWARE.display.brightness.path}]:`, getDisplayBrightness(), "\n");
 
+  // Check for keyboard visibility changes
+  HARDWARE.support.keyboardVisibility = processRuns("squeekboard");
+  setKeyboardVisibility("OFF", (reply, error) => {
+    if (!reply || error) {
+      return;
+    }
+    dbusMonitor("/sm/puri/OSK0", (property, error) => {
+      if (!property || error) {
+        return;
+      }
+      HARDWARE.keyboard.visibility = property.Visible === "true";
+      HARDWARE.keyboard.notifiers.forEach((notifier) => {
+        notifier();
+      });
+    });
+  });
+
   // Check for display changes
   setInterval(update, 500);
 
@@ -124,9 +145,12 @@ const compatibleDevice = () => {
 /**
  * Queries the session type for the logged in user.
  *
- * @returns {string} Returns session type x11/wayland or null if an error occurs.
+ * @returns {string} Returns session type 'x11'/'wayland' or null if an error occurs.
  */
 const sessionType = () => {
+  if (!commandExists("loginctl")) {
+    return null;
+  }
   return execSyncCommand("loginctl", [
     "show-session",
     "$(loginctl show-user $(whoami) -p Display --value)",
@@ -146,7 +170,7 @@ const session = (type) => {
 /**
  * Gets the model name using `/sys/firmware/devicetree/base/model` or `/sys/class/dmi/id/product_name`.
  *
- * @returns {string|null} The model name of the device or "Generic" if not found.
+ * @returns {string|null} The model name of the device or 'Generic' if not found.
  */
 const getModel = () => {
   const paths = ["/sys/firmware/devicetree/base/model", "/sys/class/dmi/id/product_name"];
@@ -161,7 +185,7 @@ const getModel = () => {
 /**
  * Gets the vendor name using `/sys/class/dmi/id/board_vendor`.
  *
- * @returns {string|null} The vendor name of the device or "Generic" if not found.
+ * @returns {string|null} The vendor name of the device or 'Generic' if not found.
  */
 const getVendor = () => {
   const paths = ["/sys/class/dmi/id/board_vendor"];
@@ -180,7 +204,7 @@ const getVendor = () => {
 /**
  * Gets the serial number using `/sys/firmware/devicetree/base/serial-number` or `/sys/class/dmi/id/product_serial`.
  *
- * @returns {string|null} The serial number of the device or "123456" if not found.
+ * @returns {string|null} The serial number of the device or '123456' if not found.
  */
 const getSerialNumber = () => {
   const paths = ["/sys/firmware/devicetree/base/serial-number", "/sys/class/dmi/id/product_serial"];
@@ -195,7 +219,7 @@ const getSerialNumber = () => {
 /**
  * Gets the host machine id using `/etc/machine-id`.
  *
- * @returns {string} The machine id of the system or "123456" if not found.
+ * @returns {string} The machine id of the system or '123456' if not found.
  */
 const getMachineId = () => {
   return execSyncCommand("cat", ["/etc/machine-id"]) || "123456";
@@ -290,7 +314,7 @@ const getDisplayStatusPath = () => {
 /**
  * Gets the current display power status using `wlopm` or `xset`.
  *
- * @returns {string|null} The display status ON/OFF or null if an error occurs.
+ * @returns {string|null} The display status as 'ON'/'OFF' or null if an error occurs.
  */
 const getDisplayStatus = () => {
   if (!HARDWARE.support.displayStatus) {
@@ -323,6 +347,7 @@ const getDisplayStatus = () => {
  */
 const setDisplayStatus = (status, callback = null) => {
   if (!HARDWARE.support.displayStatus) {
+    if (typeof callback === "function") callback(null, "Not supported");
     return;
   }
   if (status !== "ON" && status !== "OFF") {
@@ -398,6 +423,7 @@ const getDisplayBrightness = () => {
  */
 const setDisplayBrightness = (brightness, callback = null) => {
   if (!HARDWARE.support.displayBrightness) {
+    if (typeof callback === "function") callback(null, "Not supported");
     return;
   }
   if (typeof brightness !== "number" || brightness < 1 || brightness > 100) {
@@ -412,6 +438,52 @@ const setDisplayBrightness = (brightness, callback = null) => {
   proc.stdin.end();
 };
 
+/**
+ * Gets the keyboard visibility using global properties.
+ *
+ * @returns {string|null} The keyboard visibility as 'ON'/'OFF' or null if an error occurs.
+ */
+const getKeyboardVisibility = () => {
+  if (!HARDWARE.support.keyboardVisibility) {
+    return null;
+  }
+  return HARDWARE.keyboard.visibility ? "ON" : "OFF";
+};
+
+/**
+ * Sets the keyboard visibility using `dbus-send`.
+ *
+ * This function takes a desired visibility ('ON' or 'OFF') and executes
+ * the appropriate command to show or hide the keyboard.
+ *
+ * @param {boolean} visibility - The desired visibility ('ON' or 'OFF').
+ * @param {function} callback - A callback function that receives the output or error.
+ */
+const setKeyboardVisibility = (visibility, callback = null) => {
+  if (!HARDWARE.support.keyboardVisibility) {
+    if (typeof callback === "function") callback(null, "Not supported");
+    return;
+  }
+  const visible = visibility === "ON";
+  HARDWARE.keyboard.visibility = visible;
+  dbusCall("/sm/puri/OSK0", "SetVisible", [`boolean:${visible}`], callback);
+};
+
+/**
+ * Checks if system upgrades are available using `apt`.
+ *
+ * @returns {Array<string>} A list of package names that are available for upgrade.
+ */
+const checkPackageUpgrades = () => {
+  if (!commandExists("apt")) {
+    return [];
+  }
+  const output = execSyncCommand("apt", ["list", "--upgradable", "2>/dev/null"]);
+  const packages = (output || "").trim().split("\n");
+  packages.shift();
+  return packages;
+};
+
 /**
  * Shuts down the system using `sudo shutdown -h now`.
  *
@@ -437,14 +509,27 @@ const rebootSystem = (callback = null) => {
 };
 
 /**
- * Checks if a command exists using `which`.
+ * Checks if a process is running using `pidof`.
  *
- * @param {string} cmd - The command name to check.
- * @returns {boolean} Returns true if the command exists.
+ * @param {string} name - The process name to check.
+ * @returns {boolean} Returns true if the process runs.
  */
-const commandExists = (cmd) => {
+const processRuns = (name) => {
   try {
-    return !!process.execSync(`which ${cmd}`, { encoding: "utf8" });
+    return !!process.execSync(`pidof ${name}`, { encoding: "utf8" });
+  } catch {}
+  return false;
+};
+
+/**
+ * Checks if a command is available using `which`.
+ *
+ * @param {string} name - The command name to check.
+ * @returns {boolean} Returns true if the command is available.
+ */
+const commandExists = (name) => {
+  try {
+    return !!process.execSync(`which ${name}`, { encoding: "utf8" });
   } catch {}
   return false;
 };
@@ -499,6 +584,81 @@ const execAsyncCommand = (cmd, args = [], callback = null) => {
       }
     } catch (error) {
       console.error("Execute Async:", error.message);
+      if (typeof callback === "function") {
+        callback(null, error.message);
+      }
+    }
+  });
+  return proc;
+};
+
+/**
+ * Executes a D-Bus method call synchronously using `dbus-send`.
+ *
+ * @param {string} path - The D-Bus object path.
+ * @param {string} method - The D-Bus method name.
+ * @param {Array<string>} values - The argument values for the D-Bus method.
+ * @param {function} callback - A callback function that receives the output or error.
+ */
+const dbusCall = (path, method, values, callback = null) => {
+  const cmd = "dbus-send";
+  const iface = path.slice(1).replace(/\//g, ".");
+  const dest = `${iface} ${path} ${iface}.${method} ${values.join(" ")}`;
+  const args = ["--print-reply", "--type=method_call", `--dest=${dest}`];
+  try {
+    const output = process.execSync([cmd, ...args].join(" "), { encoding: "utf8" });
+    if (typeof callback === "function") {
+      callback(output.trim().replace(/\0/g, ""), null);
+    }
+  } catch (error) {
+    console.error("Call D-Bus:", error.message);
+    if (typeof callback === "function") {
+      callback(null, error.message);
+    }
+  }
+};
+
+/**
+ * Monitors D-Bus property changes asynchronously using `dbus-monitor`.
+ *
+ * @param {string} path - The D-Bus object path.
+ * @param {function} callback - A callback function that receives the changed property.
+ * @returns {object} The spawned process object.
+ */
+const dbusMonitor = (path, callback) => {
+  const cmd = "dbus-monitor";
+  const args = [`interface='org.freedesktop.DBus.Properties',member='PropertiesChanged',path='${path}'`];
+  const proc = process.spawn(cmd, args);
+  proc.stdout.on("data", (data) => {
+    try {
+      const signal = data.toString();
+      if (signal.includes("member=PropertiesChanged") && signal.includes(`path=${path}`)) {
+        const dicts = [...signal.matchAll(/dict entry\(\s*([^)]*?)\)/g)].map((dict) => dict[1].trim());
+        if (dicts.length) {
+          dicts.forEach((dict) => {
+            const key = dict.match(/string "(.*?)"/);
+            const value = dict.match(/(?<=variant\s+)(.*)/);
+            if (key && value && typeof callback === "function") {
+              callback({ [key[1].trim()]: value[1].trim().split(" ").pop() }, null);
+            }
+          });
+        } else {
+          callback({ Visible: `${HARDWARE.keyboard.visibility}` }, null);
+        }
+      }
+    } catch (error) {
+      console.error("Monitor D-Bus:", error.message);
+      if (typeof callback === "function") {
+        callback(null, error.message);
+      }
+    }
+  });
+  proc.stderr.on("data", (data) => {
+    if (data) {
+      console.error("Monitor D-Bus:", data.toString());
+      if (typeof callback === "function") {
+        callback(null, data.toString());
+      }
     }
   });
   return proc;
@@ -524,6 +684,9 @@ module.exports = {
   getDisplayBrightnessMax,
   getDisplayBrightness,
   setDisplayBrightness,
+  getKeyboardVisibility,
+  setKeyboardVisibility,
+  checkPackageUpgrades,
   shutdownSystem,
   rebootSystem,
 };
diff --git a/src/integration.js b/src/integration.js
index 7cd0b41..0af36b1 100644
--- a/src/integration.js
+++ b/src/integration.js
@@ -37,15 +37,15 @@ const init = async (args) => {
   INTEGRATION.device = {
     name: `TouchKio ${deviceName}`,
     model: model,
-    serial_number: serialNumber,
     manufacturer: vendor,
+    serial_number: serialNumber,
     identifiers: [INTEGRATION.node],
     sw_version: `${app.getName()}-v${app.getVersion()}`,
   };
 
   // Connection settings
-  const masked = password === null ? "null" : "*".repeat(password.length);
   const options = user === null || password == null ? null : { username: user, password: password };
+  const masked = password === null ? "null" : "*".repeat(password.length);
   console.log("MQTT Connecting:", `${user}:${masked}@${url.toString()}`);
   INTEGRATION.client = mqtt.connect(url.toString(), options);
 
@@ -60,6 +60,7 @@ const init = async (args) => {
       initRefresh(INTEGRATION.client);
       initKiosk(INTEGRATION.client);
       initDisplay(INTEGRATION.client);
+      initKeyboard(INTEGRATION.client);
 
       // Init client sensors
       initModel(INTEGRATION.client);
@@ -70,7 +71,9 @@ const init = async (args) => {
       initMemoryUsage(INTEGRATION.client);
       initProcessorUsage(INTEGRATION.client);
       initProcessorTemperature(INTEGRATION.client);
+      initPackageUpgrades(INTEGRATION.client);
       initHeartbeat(INTEGRATION.client);
+      initLastActive(INTEGRATION.client);
 
       // Integration initialized
       INTEGRATION.initialized = true;
@@ -81,18 +84,29 @@ const init = async (args) => {
       INTEGRATION.status = "offline";
     });
 
-  // Update sensor states on display change
+  // Update sensor states from notifiers
   HARDWARE.display.notifiers.push(() => {
     updateDisplay(INTEGRATION.client);
   });
+  HARDWARE.keyboard.notifiers.push(() => {
+    updateKeyboard(INTEGRATION.client);
+  });
 
-  // Update heartbeat time periodically (30s)
+  // Update time sensors periodically (30s)
   setInterval(() => {
     updateHeartbeat(INTEGRATION.client);
+    updateLastActive(INTEGRATION.client);
   }, 30 * 1000);
 
-  // Update sensor states periodically (1min)
-  setInterval(update, 60 * 1000);
+  // Update system sensors periodically (1min)
+  setInterval(() => {
+    update();
+  }, 60 * 1000);
+
+  // Update package sensors periodically (60min)
+  setInterval(() => {
+    updatePackageUpgrades(INTEGRATION.client);
+  }, 3600 * 1000);
 
   return true;
 };
@@ -108,6 +122,7 @@ const update = () => {
   // Update client sensors
   updateKiosk(INTEGRATION.client);
   updateUpTime(INTEGRATION.client);
+  updateLastActive(INTEGRATION.client);
   updateMemoryUsage(INTEGRATION.client);
   updateProcessorUsage(INTEGRATION.client);
   updateProcessorTemperature(INTEGRATION.client);
@@ -264,6 +279,9 @@ const updateKiosk = (client) => {
  * @param {Object} client - Instance of the mqtt client.
  */
 const initDisplay = (client) => {
+  if (!HARDWARE.support.displayStatus) {
+    return;
+  }
   const root = `${INTEGRATION.discovery}/light/${INTEGRATION.node}/display`;
   const config = {
     name: `Display`,
@@ -314,6 +332,62 @@ const updateDisplay = (client) => {
   }
 };
 
+/**
+ * Initializes the keyboard visibility and handles the execute logic.
+ *
+ * @param {Object} client - Instance of the mqtt client.
+ */
+const initKeyboard = (client) => {
+  if (!HARDWARE.support.keyboardVisibility) {
+    return;
+  }
+  const root = `${INTEGRATION.discovery}/switch/${INTEGRATION.node}/keyboard`;
+  const config = {
+    name: `Keyboard`,
+    unique_id: `${INTEGRATION.node}_keyboard`,
+    command_topic: `${root}/set`,
+    state_topic: `${root}/status`,
+    icon: "mdi:keyboard-close",
+    device: INTEGRATION.device,
+  };
+  client
+    .publish(`${root}/config`, JSON.stringify(config), { qos: 1, retain: true })
+    .on("message", (topic, message) => {
+      if (topic === `${root}/set`) {
+        const status = message.toString();
+        console.log("Set Keyboard Visibility:", status);
+        hardware.setKeyboardVisibility(status);
+        switch (status) {
+          case "OFF":
+            WEBVIEW.window.restore();
+            WEBVIEW.window.unmaximize();
+            WEBVIEW.window.setFullScreen(true);
+            break;
+          case "ON":
+            WEBVIEW.window.restore();
+            WEBVIEW.window.setFullScreen(false);
+            WEBVIEW.window.maximize();
+            break;
+        }
+      }
+    })
+    .subscribe(`${root}/set`);
+  updateKeyboard(client);
+};
+
+/**
+ * Updates the keyboard visibility via the mqtt connection.
+ *
+ * @param {Object} client - Instance of the mqtt client.
+ */
+const updateKeyboard = (client) => {
+  const visibility = hardware.getKeyboardVisibility();
+  const root = `${INTEGRATION.discovery}/switch/${INTEGRATION.node}/keyboard`;
+  if (visibility !== null) {
+    client.publish(`${root}/status`, `${visibility}`, { qos: 1, retain: true });
+  }
+};
+
 /**
  * Initializes the model sensor.
  *
@@ -575,6 +649,44 @@ const updateProcessorTemperature = (client) => {
   }
 };
 
+/**
+ * Initializes the package upgrades sensor.
+ *
+ * @param {Object} client - Instance of the mqtt client.
+ */
+const initPackageUpgrades = (client) => {
+  const root = `${INTEGRATION.discovery}/sensor/${INTEGRATION.node}/package_upgrades`;
+  const config = {
+    name: `Package Upgrades`,
+    unique_id: `${INTEGRATION.node}_package_upgrades`,
+    state_topic: `${root}/status`,
+    json_attributes_topic: `${root}/attributes`,
+    value_template: "{{ value }}",
+    icon: "mdi:package-down",
+    device: INTEGRATION.device,
+  };
+  client.publish(`${root}/config`, JSON.stringify(config), { qos: 1, retain: true });
+  updatePackageUpgrades(client);
+};
+
+/**
+ * Updates the package upgrades sensor via the mqtt connection.
+ *
+ * @param {Object} client - Instance of the mqtt client.
+ */
+const updatePackageUpgrades = (client) => {
+  const packages = hardware.checkPackageUpgrades();
+  const root = `${INTEGRATION.discovery}/sensor/${INTEGRATION.node}/package_upgrades`;
+  if (packages !== null) {
+    const attributes = {
+      total: packages.length,
+      packages: packages.map((pkg) => pkg.replace(/\s*\[.*?\]\s*/g, "").trim()),
+    };
+    client.publish(`${root}/status`, `${attributes.total}`, { qos: 1, retain: true });
+    client.publish(`${root}/attributes`, JSON.stringify(attributes), { qos: 1, retain: true });
+  }
+};
+
 /**
  * Initializes the heartbeat sensor.
  *
@@ -607,6 +719,39 @@ const updateHeartbeat = (client) => {
   client.publish(`${root}/status`, `${heartbeat}`, { qos: 1, retain: true });
 };
 
+/**
+ * Initializes the last active sensor.
+ *
+ * @param {Object} client - Instance of the mqtt client.
+ */
+const initLastActive = (client) => {
+  const root = `${INTEGRATION.discovery}/sensor/${INTEGRATION.node}/last_active`;
+  const config = {
+    name: `Last Active`,
+    unique_id: `${INTEGRATION.node}_last_active`,
+    state_topic: `${root}/status`,
+    value_template: "{{ (value | float) | round(0) }}",
+    unit_of_measurement: "min",
+    icon: "mdi:gesture-tap-hold",
+    device: INTEGRATION.device,
+  };
+  client.publish(`${root}/config`, JSON.stringify(config), { qos: 1, retain: true });
+  updateLastActive(client);
+};
+
+/**
+ * Updates the last active sensor via the mqtt connection.
+ *
+ * @param {Object} client - Instance of the mqtt client.
+ */
+const updateLastActive = (client) => {
+  const now = new Date();
+  const then = WEBVIEW.pointer.time;
+  const lastActive = Math.abs(now - then) / (1000 * 60);
+  const root = `${INTEGRATION.discovery}/sensor/${INTEGRATION.node}/last_active`;
+  client.publish(`${root}/status`, `${lastActive}`, { qos: 1, retain: true });
+};
+
 module.exports = {
   init,
   update,
diff --git a/src/webview.js b/src/webview.js
index a4a0ecc..7ed9737 100644
--- a/src/webview.js
+++ b/src/webview.js
@@ -1,12 +1,16 @@
 const path = require("path");
 const hardware = require("./hardware");
 const integration = require("./integration");
-const { app, nativeTheme, BaseWindow, WebContentsView } = require("electron");
+const { app, screen, nativeTheme, BaseWindow, WebContentsView } = require("electron");
 
 global.WEBVIEW = global.WEBVIEW || {
   initialized: false,
   status: "offline",
   locked: false,
+  pointer: {
+    position: {},
+    time: new Date(),
+  },
 };
 
 /**
@@ -40,6 +44,7 @@ const init = async (args) => {
 
   // Register events
   windowEvents(WEBVIEW.window, zoom);
+  touchEvents(WEBVIEW.window);
   viewEvents(WEBVIEW.view);
 
   return true;
@@ -86,24 +91,6 @@ const windowEvents = (window, zoom) => {
   window.on("resize", resize);
   resize();
 
-  // Handle focus change for webview lock
-  HARDWARE.display.notifiers.push(() => {
-    WEBVIEW.locked = hardware.getDisplayStatus() === "OFF";
-    if (WEBVIEW.locked) {
-      window.blur();
-    }
-    /* This also works, but it doesn't allow to react for screen wake up.
-    window.setIgnoreMouseEvents(hardware.getDisplayStatus() === "OFF");
-    */
-  });
-  window.on("focus", () => {
-    if (WEBVIEW.locked) {
-      hardware.setDisplayStatus("ON");
-      window.blur();
-    }
-    WEBVIEW.locked = false;
-  });
-
   // Handle window status updates
   window.on("minimize", update);
   window.on("restore", update);
@@ -128,6 +115,46 @@ const windowEvents = (window, zoom) => {
   });
 };
 
+/**
+ * Register touch events and handler.
+ *
+ * @param {Object} window - The root window object.
+ */
+const touchEvents = (window) => {
+  // Handle focus change for webview lock
+  window.on("focus", () => {
+    if (WEBVIEW.locked) {
+      hardware.setDisplayStatus("ON");
+      window.blur();
+    }
+    WEBVIEW.locked = false;
+  });
+  HARDWARE.display.notifiers.push(() => {
+    WEBVIEW.locked = hardware.getDisplayStatus() === "OFF";
+    if (WEBVIEW.locked) {
+      window.blur();
+    }
+  });
+
+  // Handle touch events for activity tracking
+  setInterval(() => {
+    const posOld = WEBVIEW.pointer.position;
+    const posNew = screen.getCursorScreenPoint();
+    if (posOld.x !== posNew.x || posOld.y !== posNew.y) {
+      const now = new Date();
+      const then = WEBVIEW.pointer.time;
+
+      // Update integration sensor
+      WEBVIEW.pointer.time = now;
+      if (Math.abs(now - then) / 1000 > 30) {
+        console.log("Update Last Active");
+        integration.update();
+      }
+    }
+    WEBVIEW.pointer.position = posNew;
+  }, 1 * 1000);
+};
+
 /**
  * Register webview events and handler.
  *
@@ -137,8 +164,8 @@ const viewEvents = (view) => {
   // Enable webview touch emulation
   view.webContents.debugger.attach("1.1");
   view.webContents.debugger.sendCommand("Emulation.setEmitTouchEventsForMouse", {
-    enabled: true,
     configuration: "mobile",
+    enabled: true,
   });
 
   // Disable webview hyperlinks