Words With Friends Classic is a free mobile game that makes uses of geolocation to match you with other players in your area, allowing you to chat with them, compare the scores, and even challenge them to a match. The "Create Game" section lets you either invite someone through SMS, Facebook or just go for the Smart Match feature.
You can also play offline if you currently don't have an active internet connection. This mode is very important if you're looking to sharpen your skills before you jump in online matches against real people. Moreover, you can play the weekly challenges and earn funny badges depending on your performance. In case you're completely new at Words With Friends Classic and you need some help to get everything started, you should check out the Tips and Help section.
The Fast Play feature lets you jump in matches where the reaction time is key to winning the game.