The Boox Tab X is a large e-ink tablet running Android. It’s a good platform for running Mobilesheets, a very capable sheet music app. But it is also a good platform for reading ebooks, using its built-in Neoreader app. Because the screen on the Tab X is so large (approx. 13 inches), it is practical to view books in Neoreader in double-page mode, simulating the appearance of an open book with two visible facing pages. I first figured out how to enable the double-page view by accident, but i...