Here is a quick video on how to submit a score on the GameDay app. There are also step by step instructions below.
1. Tap the Games tab and then tap a game on your schedule
2. Make sure your game details are correct and then tap "Next"
3. Here you will be asked if you would like to "Live Score" or "Submit Final Score". Tap "Submit Final Score"
4. Tap in each team's box to enter the final score
5. You can also scroll down to enter the line score for the game. When you are finished tap "Submit"