Apps with 'Custom cover image' feature
Calibre is a free and open source e-book library management application made by users, for users. Many languages, designed around the concept of the logical book, i.e.
Strawberry is a music player and music collection organizer. It's written in C++ using the Qt 5 framework.
TOTP Authenticator makes it simple and easy to enable 2-factor authentication on your accounts. The app provides option to backup data offline or on the cloud. Features like Push to Chrome, dark theme, custom icons and widgets make the app stand out.