The focus peak option lets you toggle whether or not to display the focus peak on the main display help assist on where the the camera focus is. The option also has two color options, and the values are hot colors (red/orangy) or cold colors (greenish/blue).
The zebra stripes option can be toggled to either display the zones with near maximum shadow or highlights.
The chromatic aberration filter option is a toggle for an experimental fantasy filter to simulate heavy chromatic aberrations.
The framerate control option is an experimental feature to let you toggle between regular device update framerate based on the, to forced frame rate, to unleashed rates based solely on the device’s ability to render frames. Note when unlocking framerates this can have an adverse effect on the recording frame rates. Values are regular device dependent, unlocked forced frame rate, continuous rendering.