iOS solves this admirably by simply forcing you store a given document type within the relevant app, then having only one such app. More technically minded fol

iOS solves this admirably by simply forcing you store a given document type within the relevant app, then having only one such app. More technically minded folk hate this but for less powerful users it is wonderful. Wtf do I need a file system browser with a bunch of .epub files in it if I can simply have iBooks?