Advanced Task Killer is a battery saver. You can automatically close apps running in the background, or exclude ones that need to run.
Amazon App Store
If you use Amazon, this is your gateway to all their other apps. It also allows you to share apps between any Android and Amazon Fire device.
Amazon Kindle
Read any of your Kindle books from your Android device, even synchronizing where you are. It is also one of the best PDF readers.
Evernote
Evernote is a versatile app for saving notes, webpages, images, or basically anything you want to save an organize. This is useful for lists that can be updated from any device.
