Complete the following tasks to unlock Google Play achievements.

Achievement	How to unlock
Challenger (500 experience points)	Play the Daily Challenge.
Hone Your Skills (500 experience points)	Try a practice round.
Social Butterfly (1,000 experience points)	Played with a random opponent.
Socialite (500 experience points)	Played with a friend!
Sweet Revenge (500 experience points)	Rematch previous opponent.
You Again? (500 experience points)	Play a recent opponent.