Custom database 1 is reserved for Spooky2 to store the saved custom programs you create using the Create Program template. You can edit it but that's it. It always loads when you start Spooky2.
Custom databases 2, 3 and 4 allow you to add different "off Spooky2" databases as .csv files. You can select these in the SYSTEM tab after you have added them to your Spooky2 root directory.
Write program log is very helpful for fault finding. If you have a problem you may be asked to post the log file for the generator giving you the problem. It is nice to have.
For more details, please check the link: