Board Thread:Off-Topic/@comment-28401107-20160601093659/@comment-25956839-20160624224901

Real Racing Guru uses iOS, although I don't know what software he uses.

If there is an output to HDMI then hardware like Hauppauge HD PVR 2 - HDMI Capture Device or Elgato Game Capture HD60 S could help, at a cost.

See Thread:17118 - Best way to record RR3 videos on IPhone

A google search had the following: Connect your iPhone or iPad to the Mac using its included USB cable and you'll be able to record its screen, including mobile gameplay, while it's connected to that computer. This requires QuickTime on a modern Mac running OS X 10.10 Yosemite.