A free app for Android, by App Lifters.

Book Cover Maker: Design Book Covers is an application for creating book covers. It’s designed to be used by people who have little to no design skills and wants to make a good looking book cover in a short amount of time. There are different templates for different purposes such as fantasy, mystery, horror, romance, etc. You can add your own images or use the ones provided in the application and you can change the text and icons as you wish. The templates provided in the application are very easy to use and understand. The user interface is very easy to use and understand.