This is a singleplayer cardgame.
You've got 6 stacks, each with 8 cards. Click on the dice in the middle. It shows you which stack is used for the next round. Pick a card you'll play, your opponent does the same. Who picks the highest card wins this round and get 2 points. If someone picks a ✰-card, this player can choose again.
If all stacks are emtpy the game is over. The player with the highest points wins.