Hatsune Miku
A series of rhythm games starting from "" were produced by Sega under license using Hatsune Miku and other Crypton Vocaloids, as well as "fan-made" Vocaloids like Akita Neru. TinierMe also made attire that looks like Miku's for their services, allowing users to make their avatar resemble her. The series has sold 6million copies. "" was developed for the Nintendo 3DS. Miku's appearance in this game is based on the Nendoroid series of figures. Hatsune Miku is also briefly referenced in the game "Recettear", where a young man stargazing sees "The Green-Onion Girl" constellation. Also, in 2013, Saki Fujita voices Fei-Yen HD, a character based on one of Hatsune Miku's modules, in "Super Robot Wars UX"; this appearance does not use Miku's vocal library.
Ievan Polkka
The Finnish folk song was also given popular covers by several Japanese Vocaloid singers, such as Megurine Luka, Kagamine Rin, and Kagamine Len. The most popular vocaloid cover belonged to that of Hatsune Miku, garnering more than 40 million views on her official YouTube music video as of December 2017. Its popularity has lent itself to being used in the Vocaloid rhythm game "" as the tutorial music. It has also been used in a commercial promoting the LG G5 smartphone.