(need help) psx and dholpin emulator setting

[the end]

Well... In my phone i have 12 emulator from snes to dholpin emu
But there a got problem at dholpin and epxse emulation setting
For epsxe i got problem at opengl plugin i dont relly know how to make good ferformance speed and grafic if there anyone from you guys have some got setting on this emu please tell me...
I would like to play old scholl game in hd
And there dholpin emu... When i try to play game(battle stadium d.o.n)
I got 20 fps but the problem is its freze when at the begining
So if by any chance you guys haven play this emu...
I would like to know your best setting...
Well my phone not to powerful but i still wan to try it out...