What devices does calibre support?
At the moment calibre has full support for the SONY PRS line, Barnes & Noble Nook line, Cybook Gen 3/Opus, Amazon Kindle line, Entourage Edge, Longshine ShineBook, Ectaco Jetbook, BeBook/BeBook Mini, Irex Illiad/DR1000, Foxit eSlick, PocketBook line, Italica, eClicto, Iriver Story, Airis dBook, Hanvon N515, Binatone Readme, Teclast K3 and clones, SpringDesign Alex, Kobo Reader, various Android phones and the iPhone/iPad. In addition, using the Connect to folder function you can use it with any ebook reader that exports itself as a USB disk.
From:
http://manual.calibre-ebook.com/faq....ce-integration
[edit]: And further down that page there is a whole section entitled "How do I use calibre with my Android phone/tablet?".