14Numbers is available on Apple App Store. It will be available on Google Play for Android devices soon.

For iPhone and iPad, install the 14Numbers app via Apple App Store.
Link: https://apps.apple.com/au/app/14numbers/id6739795765
 
For Google, Samsung, Motorola, Nokia, Oppo, and other Android OS phones and tablets, the 14Numbers app is available via Closed Beta Test.
To join the Beta Test team, email us at fourteennumbersgame@gmail.com