LINE

 is a messaging app by that is hugely popular in  and other Asian countries. The service is known for its distinct stickers which can be sent with messages. Nintendo has used this service by creating multiple different series of stickers based on the Mario franchise, as well as an official automated account known as Kinopio-kun.

Mario franchise stickers
Nintendo has currently released four official sets of stickers for use with the app. Each set costs $1.99 on the app's store page. All of the stickers in each set are animated, and feature voice clips or soundbytes of the sticker's subject, which play automatically.

Talking Super Mario Animated Stickers
This was the first set released. The set contains 24 stickers based on characters from the Super Mario series.

Super Mario Bros. 8-Bit Stickers
This was the second set released. The set contains 24 stickers based on sprites from Super Mario Bros.

Mario Kart Stickers
This was the third set released. The set contains 24 stickers based on Mario Kart 8 and Mario Kart 8 Deluxe.

Super Mario's Relaxing Life
This was the fourth set released. This set contains 24 stickers featuring various Mario characters, though in 3D rather than 2D.

Kinopio-kun
Kinopio-kun is a Toad with a green-colored mushroom cap and a green vest. He is the mascot of Nintendo's LINE account. The account is an automated bot that will interact with messengers, depending on what they say to it.