A couple of years ago, Amazon removed the ability to purchase e-books with their flagship Kindle for Android from the Google Play Store. Google implemented a policy that all in-app purchases had to be ...

For Kindle users, there are a couple of extra steps in the process.

Google Android apps are heavily fragmented. Some apps do not work unless you download the latest update, while others continue to work for years, never prompting you to download the newest version.

Amazon's Kindle is ubiquitous, but so are its technical limitations. Amazon can solve a vast share of the fundamental ...