Google Play, formerly Android Market, is the online software store developed by Google for Android devices. An application program ("app") called "Market" is preinstalled on most Android devices and allows users to browse and download apps published by third-party developers, hosted on Android Market. As of October 2011, there were more than 500,000 apps available for Android,[12] and the estimated number of applications downloaded from the Android Market as of December 2011 exceeded 10 billion.[13] The operating system itself is installed on 130 million total devices.[89]Only devices that comply with Google's compatibility requirements are allowed to preinstall Google's closed-source Play Store app and access the Market.[90] The Market filters the list of applications presented by the Market app to those that are compatible with the user's device, and developers may restrict their applications to particular carriers or countries for business reasons.[91]Google has participated in the Play Store by offering several applications themselves, including Google Voice (for the Google Voice service), Sky Map (for watching stars), Finance (for their finance service), Maps Editor (for their MyMaps service), Places Directory (for their Local Search), Google Goggles that searches by image, Gesture Search (for using finger-written letters and numbers to search the contents of the phone), Google Translate, Google Shopper, Listen for podcasts and My Tracks, a jogging application. In August 2010, Google launched "Voice Actions for Android",[92] which allows users to search, write messages, and initiate calls by voice.Alternatively, users can install apps directly onto the device if they have the application's APK file or from third party app stores such as the Amazon Appstore.[93]
Usage share of the different versions as of 1 May 2012.[126]
- Version
| Distribution | API level | |
|---|---|---|
| 4.0.x Ice Cream Sandwich | 14-15 | 4.9% |
| 3.x.x Honeycomb | 11-13 | 3.3% |
| 2.3.x Gingerbread | 9-10 | 64.4% |
| 2.2 Froyo | 8 | 20.9% |
| 2.0, 2.1 Eclair | 7 | 5.5% |
| 1.6 Donut | 4 | 0.7% |
| 1.5 Cupcake | 3 | 0.3% |
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