Android Get Kindle App Update
Good news for you if you use the Kindle app on your Android device, as Amazon has just released an update for the app. Changes include the ability to adjust the margin and line spacing of the books you're reading and the ability to view two pages side-by-side in landscape mode. Several bugs have also been fixed for a smoother reading experience. The app is now available for download from the Google Play Store.
Source: Google Play Store