That thing is not even needed (as Paul mentioned). The emulator sets automatically the needed number of frames rendered for some points of any game (most common: 60 FPS cinematics/game menus, 30 FPS gameplay).
Rig 1: Windows 10 Home | AMD A6-1450 @ 600/1000/1400 MHz | AMD Radeon HD Graphics 8250 | 4GB RAM | HP Pavilion TouchSmart 11.
Rig 2: Windows 10 Pro | Intel Core i7-2640M @ 780/2800/3500 MHz | Intel HD 3000 Mobile | 8GB RAM | Dell Latitude 6320.
