Mario Bros. is a Video Game very known because it's old and very popular even now. It is a franchise of video games because it has many video games like Mario Tennis, Mario Kart, Mario Party, Super Smash Bros, etc.

Mario Bros. games are not on Play Station or Xbox because these games are property of Nintendo, and there are many companies in video games. Sony is owner of Play Station, and Xbox is property of Microsoft.

Video games like Call of Duty are very popular and this game is also on Xbox. Today there are many players that play Call of Duty on consoles or PC.

Call of Duty video games are very popular, and it has games on mobile devices but those games are not like playing on consoles. Now there's a Call of Duty mobile game that is a good game for mobile devices.

On Play Station consoles there are exclusive games like God of War, Spider-Man, The Last of Us, Detroit: Become Human, Uncharted 4, and Gran Turismo.

On Micrisoft's consoles there are exclusive and very popular video games as Halo. this game just can be played on Microsoft's consoles or Pc. Some exclusive games from Xbox are Halo saga, Gears 4, Sea of Thieves, and Forza Horizon.

On Nintendo consoles there are exclusive video games like super smash bros, Mario kart 8 deluxe, Splatoon, Pokemon let's go, the legend of Zelda: breath of the wild, and super Mario odyssey.

These companies don't share exclusive video games, but games like Fifa are in every platform of video games. Companies do this because they can earn money with exclusive games.

There are video games for mobile devices too, but many "Gamers" from consoles and PC say that mobile is not a good way to play really good video games, but now there's mobile devices that are special to play games or even those games can be played on a normal cellphone.