The leaderboards and stats will give you information on other players playing the game. There are two different leaderboards. First, there is the Top 100 Players leaderboard, which will show you the top 100 players playing the game. Second, there is the Top 100 Hits leaderboard, which will show you the top 100 hits made by players playing the game by the number of players they hit with a single bomb.
In each game, you have Game Stats, this screen will show you rankings and statistical information on the game, game players, and game teams.