My Android app, Gamers Database, entered its 3rd year of operation in 2020. It's in maintenance mode, but thanks to automated hourly updates and crowd-sourced d

My Android app, Gamers Database, entered its 3rd year of operation in 2020. It's in maintenance mode, but thanks to automated hourly updates and crowd-sourced data, it stays relevant. ~$120 / month in passive income between adverts and the $3 option to buy the ad-free version. The only real effort is keeping up with Google's constant deprecation of their libraries. https://play.google.com/store/apps/details?id=com.roobr.retrodb https://play.google.com/store/apps/details?id=com.roobr.retr...