Interesting. How do you feed the apps into it?.*Did you tried it on your phone?.
Tell more xD
At the moment it can only run a cut down Linux kernel... But it is a good starting point for a full Emulator.
BTW it runs like crap on my old 3GS, and I don't expect that to change... But phone CPUs are getting better all the time
-Edit- forgot that my main point was to think about writing UAE in JavaScript