VA Funding Fee. In layman's terms the VA funding fee is a fee that the Department of Veteran's Affairs charges on each loan so that the VA can generate enough revenue to maintain the existence of the VA home loan program.
Reading Google eBooks on a Kindle Fire entails sideloading the Indiebound Reader App (which also works for the Nook, Android, iPhone, and iPad -- you can find the app in your device's app store).
There's no dedicated Kindle Unlimited app; instead, you sign up for the service, browse Amazon's website for books, and download them to your Kindle device. You can also use the Kindle apps for iOS, Android and Windows Phone to find and read books.