Simple and Easy-to-Use interface One Tap/Click on important words will instantaneously reveal in a Pop-Up box more information such as a definition or more detailed explanation Q&A also features one Tap/Click to reveal in a Pop-Up box answers to questions Able to add Notes to individual pages [Useful for studying/revision purposes] Able to add Bookmarks to pages Able to add Highlights to words/sentences Text-To-Speech Able to be Read Offline