Please follow these steps to download the app to your Android device, without using the Google Play store:
Before you can install the app in a different way than through the Google Play store, you must first allow your phone or tablet to install from "Unknown Sources".
To do this, navigate to Menu -> Settings -> Applications and check the box marked "Unknown Sources".
From your Android device, download the app by clicking this link, or by scanning this QR code:
After the app file has downloaded to your Android device, you can install it by simply clicking on it and following the installation questions.