You can spend Gold Coins to buy more Hearts or Powerups.
Occasionally, you will awarded with some amount of coins for game progress achievements.
Also, you can buy Gold Coins, by selecting the “Plus” button at the right of the coins value bar.
Additionally, all the tournament winners are rewarded with Gold Coins. To get a reward, you need
at least one friend played with you, and you will get more then twice when your have two or more friends played.
Posted in: Chain Solitaire : Help & Rules, Towers Solitaire : Help & Rules