Cid: Oh, shut up and help me remodel the Amazon Underground page!
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Cloud: I couldn't finish 'em. Looks like this's gonna get complicated.
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Amazon Underground, known also as the Amazon Appstore (full name Amazon Appstore for Android) is a mobile retail portal curated by Amazon.com Inc. exclusively for Android-based mobile devices. In addition to acting as a virtual storefront, Underground provides an alternative source of software to Google Play, 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.