You may especially be interested in this program if you need an easy SGF viewer which opens several games within the same program window; want to conveniently manage more games in one database, sort and edit or analyze them; often search for Josekis and wish to have the continuations displayed immediately; embed replayable games into an HTML page by means of JavaScript; like to use a solving option for puzzles; play against buddies via email; or want to play or analyze games via a peer-to-peer connection.

Of course, there are some other basic Go features available, such as a playing function against the GnuGo engine, a possibility to observe games of IGS or even a screensaver option.