Hello! I tried to follow the instructions in the manual and I manage to connect my game in preview to Google Play, such that when I clock a certain button it allows me to login into my google account. However when I request the leaderboard (which I created in my Google developer account) nothing happens. Also the logout button doesn't work. I don't how to add my code here, but it is basically: if Google Play is signed in then Request public all-time hi-score from ... Why doesn't it work? Do I need to actually upload my game on Google Play? Thank you!