Realtime, low-latency audiovisual instruments. OpenSL
may make this possible, although that's not clear yet:
http://music.columbia.edu/pipermail/portaudio/2010-December/...Contrast this with iOS which provides the robust and featureful CoreAudio api. As far as I can tell there doesn't appear to be anything like the new Accelerate framework introduced in iOS 4 for Android either, so things like native FFT aren't available.
