Sounds dumb, but my favorite phone game is checkers on flyordie.com which has 100s of players at any given time. Its a quick and fun competitive game that involves IQ that I constantly get beat at, which keeps it interesting. Not at all easy like I thoughts. Chess is too long to play and requires too much for, and most phone games aren't that great imo. Source: about 1 year ago

Flyordie.com is my playground of choice. Source: over 1 year ago

3) Chess.com is not really "official" chess, just the largest online platform with the obvious domain. "Official" would porbably mean FIDE, USCF, or another national organization for OTB play. In that respect there is the American Checkers Federation (ACF) and other national organizations, but they are much less well established than FIDE or USCF. Online play happens on sites like playok.com, flyordie.com,... Source: over 1 year ago

I use Backloggery which is more aimed towards playing the games you have and clearing your backlog. Source: about 1 year ago

I havent used all these, so your milage may vary, but I was looking for a similar thing not long ago. Https://www.backloggd.com Https://rawg.io Https://wetheplayers.com Https://www.grouvee.com/ Https://gamelib.app/explore Https://backloggery.com/ Https://playnite.link/ There's also just using a spreadsheet, or Notion with a good template. Source: about 1 year ago

There are websites like howlongtobeat.com or backloggery.com that let you track individual game status. You can write down ratings or when you started/finished a game and it tracks that. I've used backloggery.com for 10+ years so it was really easy to grab the dates I played Trails with it. Source: about 1 year ago

For game tracking, try The Backloggery! Source: over 1 year ago

People often use sites like HowLongToBeat, Backloggery, or Backloggd. Source: over 1 year ago