I don't know if this will help you, but I have an Android phone and an Android tablet, and I have the Kindle reading app on both, with several books I am reading.
I can't afford Apple stuff, so I use Android (and my laptops are Linux) and I can also add the Kindle reader in Chrome, so I have my books everywhere (of course this is just the books you may have through Amazon.) The only thing I don't like is that the Kindle reader doesn't seem to see anything that isn't an Amazon Kindle book. I have several epub's and pdf's saved that I need another reader to open. Calibre works well for those on my laptop, but I'm not sure if I can get it for my phone or tablet.... I usually just copy some to my SD card and use Foxit or Aldiko or something...
