I already know of this, but goddamn I really want to know how to do this! It looks so fun! I'd play DOA4 non-stop if I knew how.
The following video's description apparently contains info on how to apply this hack but I have no clue how to do it, plus it's in japanese.
Notable moments: Alpha-152 has wakeup kicks in DOA4! Look at Stage 2 in the Story Mode video and you'll see her do a mid wakeup kick.
Alpha-152 had a low mix-up in her KKKKK~ string.
Alpha-152's 8K, K, 6K, and 4K were all infinite strings that also reset the stun threshold.
Alpha-152's 2H+K string had a mid mixup.
Alpha-152's 3K put her into floating if it hit.
Alpha-152's 236236T was an OH.
Alpha-152's 8T had a different animation when not against a wall.
Alpha-152 seemed to have a command that let her teleport freely.
Alpha-152 had no shadow.