You can also launch the app by returning to the app drawer and tapping the blue icon with a book and yellow moon inside. The first time you open the app, you’ll have to follow the on-screen instructions to give it permission to access your Android’s storage.

Use this method if you have book files saved to your Android (either on the SD card or in local storage) that you want to add to Moon+ Reader.

Use this method if you want to download new free books from online sources.

The differences between the formats are negligible for most users. As you start reading lots of e-books, you may find yourself gravitating more towards a specific format.

You can also change pages by tapping the top or the bottom of the screen. If your book displays a table of contents, you can tap a chapter or section to jump to it.

After making your selection, tap OK to confirm. Tap the screen at any time to pause auto-scrolling.

Tap Chapters to view the chapter list and jump between chapters/sections (if available). Tap Bookmarks to browse existing bookmarks or add a new one. When you want to add a new bookmark, go to this screen, tap Add new bookmark at the bottom, set your preferences for the bookmark, and then tap OK.

Tap Chapters to view the chapter list and jump between chapters/sections (if available). Tap Bookmarks to browse existing bookmarks or add a new one. When you want to add a new bookmark, go to this screen, tap Add new bookmark at the bottom, set your preferences for the bookmark, and then tap OK.

Tap Chapters to view the chapter list and jump between chapters/sections (if available). Tap Bookmarks to browse existing bookmarks or add a new one. When you want to add a new bookmark, go to this screen, tap Add new bookmark at the bottom, set your preferences for the bookmark, and then tap OK.

Some options in this menu, including syncing your reading position to Google Drive or Dropbox, are only available in the Pro (paid) version of Moon+ Reader.

Tap and hold a word in the text you want to highlight. After a second or so, the word will be selected and some handles will appear on either side. Drag the handles to select the text you want to highlight. Tap a highlighter color to highlight the selected text.

Tap and hold a word in the text where you want to add your note. After a second or so, the word will be selected and some handles will appear on either side. Drag the handles to select the text. Tap Note to open a window that allows you to type. Type your note and tap Save. This adds a post-it note icon to the selected text. To read the note, click the post-it icon. To delete it, tap Delete.

Tap and hold a word in the text where you want to add your note. After a second or so, the word will be selected and some handles will appear on either side. Drag the handles to select the word or phrase you want to look up. To look a word up in the dictionary, tap Dict. The first time you use this feature, you’ll be prompted to choose a default dictionary and set some preferences. You may have to install a dictionary app for some of the options, but they are all safe (and free). To search for a word or phrase online, tap More to display some research options (including Google, Translate, and Wikipedia. Tap the option you want to use and follow the on-screen instructions.

To buy Moon+ Reader Pro, tap the ☰ at the top-left corner, tap About at the bottom, and then tap Buy Pro Version. Follow the on-screen instructions to make your purchase.

Go to My Shelf. Tap the book you want to sync. Tap the center of the screen to view the controls. Tap the ⁝ menu at the top-right corner. Scroll down and tap “Sync reading positions” next to the service you want to use. Tap anywhere outside of the window to save your changes.