What exactly IS the RabbitR1?

I have been following this sub at random for a while. Mostly stuff keeps popping up which is people asking for tech support or how to get something to work. I looked on the website- to my eye this looks like an Android device with a dedicated scroll wheel. So I hate to ask… what exactly does this device do? Android phones are already equipped with touchscreens, cameras, and buttons. They can also make phone calls. Why get the Rabbit R1 when it appears to have less utility? Is there something I’m missing?