Since it is an unofficial website, its Android app is unavailable on the Google Play Store. However, you can download it from the official website or other third-party app stores.
To download the 1MoviesHD Android app from the official website, follow these steps:
1) Open your Android device's web browser and go to the 1MoviesHD website.
2) Scroll down to the bottom and hit the "Android App" button.
3) The app will start downloading automatically.
4) Once the download is complete, open the APK file and follow the directives to install the app on your device.