What is GG? I can tell you all about Steem and Steemit. I love your picture here. Happy Thanksgiving. Merry Christmas 2019. You know that Steemit is like Facebook, Twitter, etc. Steem uses cryptocurrencies. There are different apps built on Steem similar to how you have apps on phones and different operating systems. Steem is a blockchain system.
https://www.steemace.io/spt/@crypto-spore/splinterlands-card-editions-explained