ネットラジオレコーダー for Android

With this app, you can play and record Internet radio broadcasts in Japan.
It is also possible to play music files recorded with the PC version of "Net Radio Recorder" on this app.
Furthermore, if you are a radiko premium member, you can also record in the area free.

※Notes:
You can try the playback itself for free, but please note that you need to purchase the paid version to record the program.