Putty SSH: Secure Shell Client for Android
A free program for Android, by Minisatip developers.
It is a secure shell client that allows you to connect to a server over the internet and use it as if you were on your local machine. You can also create a secure tunnel between two locations, so you can send data from one place to another. This app features a popup keyboard that has characters you won't find on a normal keyboard. With this, you can also group your connections to keep them organized. You will also see a full-color terminal. This application also features external keyboard support, Telnet support, Local Android terminal support, and many more.