Amazon Underground

The Amazon Appstore (full name Amazon Appstore for Android) is a digital application portal curated by Amazon.com Inc. It is intended to provide an alternative source of software to Google Play for Android-based devices, and acts as the primary distribution medium for Amazon.com's own Fire line of devices. As part of an agreement with Canada's BlackBerry Ltd., it acts also as a secondary source for BlackBerry devices via the BlackBerry 10 operating system's Android compatibility layer.