MySQL Viewer is an excellent MySQL client for Android devices developed by Shi Bok Jang. It is a free utility tool that offers a wide range of features, including secure connection using SSH tunneling and SSL, query syntax highlighting and beautifying, dynamic shortcut support, and much more.

One of the most significant advantages of this app is its ability to handle multiple result sets. It also supports zlib compression when communicating with the server, making it a reliable option for users who want to save on data usage. MySQL Viewer also allows users to save their password, private key, and passphrase securely using AES encryption.

Additionally, the app provides excellent support for query execution and cancelling, query and DML profiling, and query bookmarking. Users can also import and export bookmarks, connection URLs, and query result sets in JSON or CSV file format.

MySQL Viewer is a comprehensive tool that can be used as a MariaDB or MySQL client. With its dark and light theme support, users can choose the interface that suits them best. Overall, MySQL Viewer is an excellent option for anyone looking for a reliable and feature-packed MySQL client for Android devices.