The arcade board ran at 30fps so that's quite an acheivement!
The Saturn port has a 60fps hidden option and the 3DS runs at 60fps also. Incidentally the Sega 3D Classics are half price on the Nintendo store at the moment, not the newly released ones though.
GPD Win, GPD XD 64gb, Pap KIII-Plus, RS-97, RS-90, New Bittboy, 3DS XL, DSi XL, GBA SP, GBBC Clone, Gameboy Pocket, PSP Go,
HP Envy M6, Acer 522, Dell Mini 9
Psion 5 & 5MX
Tons of other old laptops and tablets.....