RM to 3GP Converter's interface will allow you to add the source files to the processing queue and to customize the output directory and width and height settings according to your preferences. 

RM to 3GP Converter's pop-up menu will help you get access to the program's functions via a fast right click menu thus not having to use the top menu. 

RM to 3GP Converter's Settings window dialog will allow you to customize the video codec, video bitrate, audio codec and audio sample rate options according to your own preferences.