In the context of the input sentence, determine the relationship between 'Google Play' and 'Google'.
Options: developer, manufacturer, employer, director/manager

Meanwhile, Google (Xetra: A0B7FY - news ) , which all but abandoned China five years ago in a dispute over censorship, is reportedly looking at ways of expanding its Google Play app store there, in a bid to reach more of the country’s 800m mobile phone users.
developer