Follow along with the video below to see how to install our site as a web app on your home screen.
Note: This feature may not be available in some browsers.
You can simply clear data on the market then open it up. It will have you accept a new agreement. Then it will be google play. You may have to restart phone after clearing data. I can't remember if I had to reboot or not.
Just looks like a new Icon and new name to me. The old Market icon will not open anything, I just threw it in the trash and use the new icon.