Google has relaunched Android Market as Google Play. So what has changed? There is definitely more prominence for Google Books, Music, and Video now. With the Android label gone Google hopes to sell the message that these digital media products are for everyone (not just Android users).
More reading:
- https://play.google.com/about/
- http://techcrunch.com/2012/03/06/goodbye-android-market-hello-google-play/