Only the current version so far — new entries appear as the app ships updates.
Voick : 最高のボイストレーニングをあなたのポケットに is an education app by JABARAC design with 10,000+ downloads (about 46K estimated). +47 installs in the last 7 days. Install growth, rank history, SDKs and ad networks.
From the store listing: “To an era where anyone can sing better with an app. The definitive version of the voice training app that will definitely improve your karaoke.”