Smart Notes is a free note-taking app developed by SmartWho for Android devices. The app offers a range of features, including quick memo writing, multi-select, memo recording, voice input, file backup function, memo sharing, and translation. Smart Notes supports memo translation and voice play in multiple languages, including Bulgarian, Chinese, Croatian, Czech, Danish, Dutch, English, Filipino, Finnish, French, German, Greek, Indonesian, Italian, Japanese, Korean, Latvian, Lithuanian, Norwegian, Polish, Portuguese, Romanian, Russian, Spanish, Serbian, Slovak, Slovenian, Swedish, Ukrainian, Vietnamese, Persian, and Arabic.

In addition, Smart Notes has a note calendar that allows users to query and copy notes to Google Calendar. It also supports full database backup and restore, multi-select command support, individual note recovery, automatic full backup and recovery support, text and XML viewer services, TXT file import, and a recycle bin. Smart Notes has a user-friendly interface and provides home screen widgets for easy access. Overall, Smart Notes is a comprehensive note-taking app that is highly recommended for Android users.