The Amazon Prime Video app is now available in the Google Play Store. Before this you had to side load the app onto your Android device.
The Prime Video is now available as a stand alone app in the Google Play Store, it was previously available in other Amazon apps.
The Amazon Prime Video app lets you stream movies an TV shows to your smartphone or tablet, although you will need a subscription to Amazon Prime in order to use it.
You can find out more information about the Prime Video app from Amazon over at the Google Play Store at the link below.