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While the Ubuntu platform shows any apps that you already have installed, it differs from other mobile operating systems by showing apps that are available to download from the store but not yet installed.
Thanks to Ubuntu's existing platform heritage the company has many of the factors in place that could otherwise prove troublesome to a new entrant to the mobile market, such as cloud services and knowledge of app stores. Nonetheless, Canonical will need to get developers on board to build native apps for the platform, as apps currently in the Ubuntu store won't work without modification.
Image: Ben Woods