Back then I was experimenting with emulation on mobile platforms. You couldn’t really do it on the Palm OS but Windows Mobile did the job quite well. I never really got anything finished with it though, it was never really robust enough, but fun to experiment with.
Back in 2007: Rhythm Pro
Another Palm OS 4 app that I looked at back in 2007. A nice little drum machine for the Palm OS. You can read about it here.