No immediate plans for Android or iPhone apps intended to replace the website. Right now our mobile work is basically revising the writing app to hook it up to the website and offer a better way for people to review things on-the-go.

We do need to get an audio player up that works without flash. And -- that said -- we do have an API up-and-running so if anyone wants to put something together and share it we'd be happy to support it as best we can.