You can install the HelloClient app on any device:
Installing the app on Android, Mac, Windows
- Log in to your account via the Chrome browser.
- Click the 'install app' button next to (if you see no button, then click '+' in the address bar).
- All set! The app has been added to your desktop.
It is important that your Android uses the browser from the Market and not the stock (native) version. Here is the link you may use to download the browser from the Market:
Chrome for android