I had modified splits app by Murilo Faria (credits to him for his great initial work) years ago because it was abandoned and had problems with invalid laps/splits, resetting times, wasn't aligned to Kunos splits, etc.
Then I added a few things:
Laptimes
Delta (from best session time for now...
Simple data display of some timing information useful for race sessions.
The app shows data across 5 sections. The image below shows the app after a lap has just been completed. The top row displays Lap and Track information. Then there is fuel on the second row. The left hand main panel are...