Other mobile devices have other app stores available for them. Some of these are made by the company that made the device, but not all are that way. Amazon.com has the Amazon Appstore for all Android users. The Google Play store (was known as Android Market) is the official store for Google's Android devices. In 2010, Microsoft created the Windows Phone Store, an online market for their Windows Phone devices. In October 2012, the Windows Store was made for Windows 8 and Windows RT computers.