At the end of the 20th century and the beginning of the 21st century (198x~200x), when the Internet was not developed enough, the 80s and 90s were most interested in playing all kinds of video games and handheld console games. Nowadays, in order to play retro games on a variety of devices (computer/smartphone/smart TV....), you've probably tried various game emulators, as well as independent systems like Batocera.linux, Ubuntu GamePack, Lakka. Then, you should also try Pegasus this kind of emulator frontend.