What score does the scoreboard on the loading screen have?

Answer:

It always shows two numbers. One is the highest score and another is the current score. Whatever may be the game, it will always shows the highest score when the game is downloaded.

Explanation:

There would be default value set by the company who designs the game, to encourage people to reach that level and move higher.

So a highest score is always indicated to challenge the current user, so that there is a goal to reach and the user keeps playing the game and in turn the game become popular.