Sign in to your profile, please. Then there can be the following.
a. If you’ve played a card game, the game isn’t lost, you can open it the next time you log in and continue.
b. If you were playing a game like Slots and Roulette in which the player after making a bet does not impact the outcome of the game, the round will be finished even though you are not in the match, so wins will be automatically added to your score. You can still see the outcome of your game in the history section of the play.