Final Fantasy 4 DS help

when i play the game. when you select some options it shows the description. then if you select another the description from the other option does not disappear. what should i do?

Use No$GBA 2.6a and No$Zoomer
http://forum.romulation.net/index.php?topic=1462.0

Tirith, how does the no$zoomer work actually? i'm kinda new to this.

It's just an Addon program for it. You put the files in the NO$GBA directory, and run No$Zoomer. It runs No$GBA, and has various compatibility fixes.