Klondike Solitaire features 4 Leaderboards, 22 Achievements, complete Animation of all moves, and Hints.
The 4 leaderboards are for Fastest Time, Highest Score, Most Wins and Most Wins without using Hints.
Tap the Hint button to reveal hints currently available at any time.
Animations handle all card moves, so just tap a card and if it is eligible to move, it will move to the appropriate location.
There are bonus points awarded for quickly finishing the game.
You may invite friends to the game from your device's contact list by clicking "Invite Friends". You'll see a list of your contacts and will be able to send text messages or email invitations should you wish.