From one newbie to other newbies...

I'm a newbie. I reckon most people on github aren't. But in the off-chance that the rare newbie visits, I think it's good to have a simple statement about Anbox that a newbie could understand. Hence my suggested change.

README.md

 # Anbox
 
-Anbox is container based approach to boot a full Android system on a
-regular GNU Linux system like Ubuntu.
+Anbox is container based approach to boot a full Android system on a regular GNU Linux system like Ubuntu.
+In newbie terms: Anbox will let you run Android on your Linux without the slowness of virtualization.
 
 ## Overview