While Adamation’s personalStudio 1.5 does not include a title scroller by default, you can hack the effect fairly easily.
First, put your titles on a separate layer. Use the „Slide“ transition between your title clips, and make sure you’ve set an actual transition length (i.e. if you set the default transition length to 0 seconds in the preferences, change it to 2 or 3, or manually adjust the overlap between title clips).
To control the direction of the slide, select the transition in the storyboard and click the FX tab. Use the four directional arrows to alter the slide direction.
Using this technique, you can create a credit sequence where each credit „pushes“ the previous one out of the way from any direction, or keep them all running in the same direction. Hopefully an actual scroller will be present in a future version.