Android Market software

Android Market software - Introduction
Google announced the Android Market on 28 August 2008, and made it available to users on 22 October 2008. They introduced support for paid applications on 13 February 2009 for US and UK developers,[5 with additional support for 29 countries on 30 September 2010.[6
[editFeature updates
In December 2010 Google added content filtering to Android Market and reduced the purchase refund window from 24-48 hours to 15 minutes.[7
In February 2011 Google introduced a web client that provides access to Android Market via PC. Apps requested through the Android Market web page are downloaded and installed on a registered Android device.[8
In May 2011 Google added new app lists to Android Market, including "Top Grossing" apps, "Top Developers", "Trending" apps, and "Editors Recommendations". Google's Eric Chu said the goal of this change was to expose users to as many apps as possible.[9
In July 2011 Google introduced a redesigned interface with a focus on featured content, more search filters, and (in the US) book sales and movie rentals.[10 In September 2011 the Motorola XOOM tablet received an update that brought the redesigned Android Market to a Honeycomb-powered device.[11
[editApplications and downloads
On 17 March 2009, about 2,300 applications were available on the Android Market, according to T-Mobile chief technical officer Cole Brodman.[12 On 10 May 2011, during the Google I/O, Google announced that Android Market listed 200,000 apps, and had clocked 4.5 billion apps installed.[