Save button for casual games

Add a new button for casual games where you can save your moves and safely exit the game without worrying that your moves will be erased. Right now the only way to save your moves is to complete your entire moves and then click end turn, if you re-enter the game after you ended your turn and try to make a little change and save the changes it usually messes up your entire turn.

Great idea

In my opinion, most important thing for casual games is a pre-turn, turn 0 or something that allow you to join a game with reinfs, events …