This is a free app that is developed by an independent developer. It is not a free version of the Android operating system, nor is it affiliated with Google Inc. In order to use the app, you have to download it from the Play Store.

The app is an SMS and Tether enabler. It allows you to use your smartphone or tablet to send and receive SMS messages and pay for data with the PayPal or Bitcoin payment method.

It is an app/module that needs to be installed on the device in order to function. It is not necessary to install it on a device already having the SMS and Tethering/hotspot functionality.