First, turn on the dial button on your mobile phone

Then adjust the sound and choose a music you like.

Then dial the numbers in sequence: 6717137, 365615

Super Mario music will pop up!

The "Super Mario" game is produced by Nintendo. Nintendo is a famous Japanese game production company. The games and console and handheld series it produces are very popular around the world.

On September 13, 1985, "Super Mario Bros." appeared in front of players for the first time in Japan.

Although Nintendo officially sets September 13 as Mario’s birth day, this is from the perspective of the game series. In fact, Mario is the first time to be an independent and identifiable virtual character. It appeared in the gaming industry in the 1981 arcade game "Donkey Kong".