Let's sing with Miku ♪ (ミクと歌おう) was a VOCALOID app connected to the NetVOCALOID system. It was one of two apps released that used the service, the other being Mobile Phone Gackpo.
About[]
It was developed by YAMAHA Corporation. It only supported Yahoo Mobile and i-mode based phones.
Users could check, purchase and download songs by others which can then be used for things such as a ring tone. Though songs where mainly aimed at Hatsune Miku, other VOCALOIDs Kagamine Rin & Len, Megurine Luka, KAITO and MEIKO also had songs available. Songs could be purchases as a in part or full duration.
The service also had a lyric input system which let a user enter in lyrics for Hatsune Miku, the lyrics were based on their phones input restrictions. The completed lyrics would be processed the side of the serve and a notification would be sent to the e-mail address attached to the user when ready.It was available from the 9th of April 2009 for ¥315 and possible to synthesise lyrics 50 times a month.[1]