FuguIta is designed to be as similar as possible to a normal OpenBSD installation, so you can log in and configure your system in the usual way, and most of the OpenBSD documentation is still available. You can also add software using OpenBSD's ports/packages system.
Support tools provided
Save files and restore them at subsequent boot (can be automated)
Easy setup utilities for desktop environments and network
Remastering (and customizing) of LiveUSB and LiveDVD
You can create an encrypted partition in a LiveUSB.
Updater for easy and safe updating LiveUSB.
Various boot modes according to HW specifications
For example, it can complete booting with only 64MB of memory. (i386, mode 1, no X)
Live system but non-interactive boot is possible
Can support anomalous hardware configurations by attaching multiple FuguIta devices.