Only the current version so far — new entries appear as the app ships updates.
TFPlayer -タイムフリーを10倍楽しく聴くアプリ- is a music & audio app by dbitware with 500+ downloads (about 671 estimated). Install growth, rank history, SDKs and ad networks.
From the store listing: “It is an unofficial application to play Rajko time-free streaming. You can use play speed change, customizable skip button, continuous play function.”