This app was mentioned in 4 comments, with an average of 2.50 upvotes
There are actually a big amount of good anime radios around. If you have android get Anime Radio: https://play.google.com/store/apps/details?id=com.maxxt.animeradio&hl=en
I especially love animeradio.ru!
For anyone who can't wait, here's a radio app you can load it in on an android device in the mean time. The app also has Gensokyo Radio and Touhou Radio pre-loaded.
In order to listen to touhou.fm:
At the top of the station list you will see Touhou FM has been added. Tap it to begin listening!
I've been using the Anime Radio app on android. It has Gensokyo radio listed, among other internet radio stations.
I find this Android app a great source of web radios https://play.google.com/store/apps/details?id=com.maxxt.animeradio