It's not exactly the biggest of updates, but Android tablet users who do a lot of reading in the Kindle app will likely be pleased with what the latest version has to offer. The big addition is the ability to view two pages side-by-side in landscape mode (as seen above). Otherwise, you'll now find additional options for margin and spacing controls, along with a number of bug fixes (including one for a pesky problem that required you to re-register when returning to the app).