This app was mentioned in 2 comments, with an average of 1.50 upvotes
They also have an official Android App for live timing (unlike super GT unfortunately.)
There is also an iTunes App for those of you with apple things.
Some more news regarding Super Formula. They have recently released an official app.
https://play.google.com/store/apps/details?id=jp.racelive.superformula
Unsure if it's available on iPhone.