FCP HD is a rather old version from 2004. Version 7 is the latest version.
FCP does not support animations made in Adobe Flash, and there will never be a camera that shoots to Adobe Flash, because it is a vector format. However, FCP can readily edit video shot onto flash storage such as an SD card.
To avoid confusion in video contexts, we use "HDD" when referring to hard drive disks, and "HD" for high definition. FCP handles both.
General rule: If Quicktime can play it, FCP can edit it. If Quicktime can't play it, convert it to something it can play.