PPSSPP Feature Request Page

[Accel]

That "thingy" the way it looks like,it will be part of the new official version.
If you have problems with it,then report the problem so the devs may try to fix it rather than removing\disabling it.

I have only the demo of the game(cleared)and I didn't notest any problems

I found it out while fighting a Priviti Mata and use Dancing Zapper (Short Sword Blood Art)
It really obvious