Comic Viewer has the following features so that images / cartoons can be seen lightly.* Simple file selecter* Page opening direction: You can select from the right, from the left.* Supported image file format: JPEG, PNG* Supported image archive formats: ZIP, RAR* Supported epub file format* Cache function: Prefetch around the display page.* Favorite function* Browsing history* Thumbnail* You can create bookmarks (bookmarks) for each file.* Multiple theme colors are available.