Homebrewを使ってPlayをインストールする

$ brew install play
==> Downloading http://downloads.typesafe.com/play/2.2.1/play-2.2.1.zip
######################################################################## 100.0%
?  /usr/local/Cellar/play/2.2.1: 2165 files, 127M, built in 6.7 minutes

$ $ play new hello_play
Getting com.typesafe.play console_2.10 2.2.1 ...
:: retrieving :: org.scala-sbt#boot-app
        confs: [default]
        6 artifacts copied, 0 already retrieved (2012kB/38ms)
Getting Scala 2.10.2 (for console)...
:: retrieving :: org.scala-sbt#boot-scala
        confs: [default]
        5 artifacts copied, 0 already retrieved (24390kB/64ms)
       _
 _ __ | | __ _ _  _
| '_ \| |/ _' | || |
|  __/|_|\____|\__ /
|_|            |__/

play 2.2.1 built with Scala 2.10.2 (running Java 1.7.0_51), http://www.playframework.com

The new application will be created in /current_path/hello_play

What is the application name? [hello_play]

> hello_play

Which template do you want to use for this new application? 

  1             - Create a simple Scala application
  2             - Create a simple Java application

> 1
OK, application hello_play is created.

Have fun!

$ cd hello_play

$ play run
(省略)

[info] play - Listening for HTTP on /0:0:0:0:0:0:0:0:9000

(Server started, use Ctrl+D to stop and go back to the console...)

この状態でhttp://localhost:9000/にアクセスするとページが見られます。
何かはまるかなー、と思ってましたが特につまる所はなくて良かったです。