This post exists simply because on a weekly basis I am blown away by the Amazon Kindle app for my Windows phone. And I was blown away by it again yesterday, so I felt compelled to write about it. Most of you probably already use the Kindle app, but bear with me. Last year my husband downloaded it to my phone, but I didn’t pay any attention to it. Until yesterday. When I sitting, board half to death, in my doctor’s waiting room.