His 3P was already good in DOA2U, despite being i20, but they sped it up in DOAO. P and 6P are also faster in DOAO. I don't know Tengu's frames in DOAO, but in DOA2U, 3P is i20, P is i17, and 6P is i29. All of them are noticeably faster in DOAO.
I don't know what else they changed, if anything...