By Juli Monroe Like to buy books from Barnes & Noble, but you’d rather read your books in an app with more options, like Aldiko, a popular Android e-reading app? No worries. I’m going to walk you through opening Nook books in Aldiko, without removing DRM. The process does start with downloading the book to the Nook app. Once that’s done, however, you can leave the Nook app and open Aldiko.                                               From the main screen, select “File,” and navigate to the Nook folder.                                               See it there near the bottom of the screen? Select that, and navigate to the “Content” folder. Open it and you’ll see...