I first covered Winta (styled WINtA on the App Store) back at GDC Online in October, and found it an enjoyable music game from the creator of Parappa the Rapper, Masaya Matsuura. It's a simple title -- different shapes appear on screen, and the player is meant to tap them in order, which ends up going along with the rhythm of the song's vocals. There's one free track included with the app (which itself is free to download), and then a number of different songs are available via in-app purchase, each with their own themes and displays.
Plus, the whole project is part of the OneBigGame initiative, so 10 percent of the profits on each track purchased will go to two