diff --git a/src/index.ts b/src/index.ts
index 22e17cb3c..cf10c392d 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -9,6 +9,7 @@ import { AdMob } from './plugins/admob';
 import { AndroidFingerprintAuth } from './plugins/android-fingerprint-auth';
 import { AppAvailability } from './plugins/appavailability';
 import { AppRate } from './plugins/apprate';
+import { AppUpdate } from './plugins/app-update';
 import { AppVersion } from './plugins/appversion';
 import { Badge } from './plugins/badge';
 import { BackgroundGeolocation } from './plugins/background-geolocation';
@@ -132,6 +133,7 @@ export * from './plugins/admob';
 export * from './plugins/android-fingerprint-auth';
 export * from './plugins/appavailability';
 export * from './plugins/apprate';
+export * from './plugins/app-update';
 export * from './plugins/appversion';
 export * from './plugins/background-geolocation';
 export * from './plugins/backgroundmode';
@@ -257,6 +259,7 @@ window['IonicNative'] = {
   AndroidFingerprintAuth,
   AppAvailability,
   AppRate,
+  AppUpdate,
   AppVersion,
   Badge,
   BackgroundGeolocation,
diff --git a/src/plugins/app-update.ts b/src/plugins/app-update.ts
new file mode 100644
index 000000000..4782c476f
--- /dev/null
+++ b/src/plugins/app-update.ts
@@ -0,0 +1,37 @@
+import { Plugin, Cordova } from './plugin';
+
+/**
+ * @name AppUpdate
+ * @description
+ * This plugin does self-update for android
+ *
+ * @usage
+ * ```
+ * import { AppUpdate } from 'ionic-native';
+ *
+ * let updateUrl = 'http://your-remote-api';
+ * AppUpdate.checkAppUpdate(updateUrl)
+ *   .then((something: any) => doSomething(something))
+ *   .catch((error: any) => console.log(error));
+ * ```
+ */
+@Plugin({
+  pluginName: 'AppUpdate',
+  plugin: 'cordova-plugin-app-update',
+  pluginRef: 'AppUpdate',
+  repo: 'https://github.com/vaenow/cordova-plugin-app-update',
+  install: 'ionic plugin add cordova-plugin-app-update --save',
+  platforms: ['Android']
+})
+export class AppUpdate {
+  /**
+   * Check and update
+   * @param updateUrl {string} update api url
+   * @return {Promise<any>} Returns a promise that resolves when something happens
+   */
+  @Cordova({
+    callbackOrder: 'reverse'
+  })
+  static checkAppUpdate(updateUrl: string): Promise<any> { return; }
+}
+
diff --git a/src/plugins/screen-orientation.ts b/src/plugins/screen-orientation.ts
index 8476b68b6..28e27888f 100644
--- a/src/plugins/screen-orientation.ts
+++ b/src/plugins/screen-orientation.ts
@@ -48,11 +48,10 @@ export class ScreenOrientation {
   /**
    * Lock the orientation to the passed value.
    * See below for accepted values
-   * @param orientation {string} The orientation which should be locked. Accepted values see table below.
-   * @returns {Promise<any>} returns a promise that resolves when the screen orientation is locked, and rejects when an error occurs.
+   * @param orientation {string} The orientation which should be locked. Accepted values see table above.
    */
-  @Cordova({ otherPromise: true })
-  static lockOrientation(orientation: string): Promise<string> { return; }
+  @Cordova({ sync: true })
+  static lockOrientation(orientation: string): void { }
 
   /**
    * Unlock and allow all orientations.