03 Configuring Games Services based on your game needs - myflashlab/GameServices-ANE GitHub Wiki
Now that you have setup your Google Play Console, it's time to configure your game settings based on your game logic. You probably need leaderboards? or maybe you wish to be able to save your game progress on the cloud? or maybe you are trying to build a real-time multiplayer game? Well, configuring these settings are very easy and Google has written a very detailed explanation about this. you should read that post to know how things are configured.
Pay extra attention to these configurations because if you miss to enable a feature like game saves
for example, in your Google Play Console, you will pay for that mistake by your time! you will spend hours scratching your head wondering why your game progress cannot be saved! I was hurt by this mistake once :D that's why I'm emphasizing on that.