Here is a fun little game written in HTML5 that reminds me of Magic Pockets... I'm all for this sort of thing, as it shows how the new standard totally removes the need for Flash...
http://playbiolab.com/
Biolab Disaster is basically just a tech demo, but works great on even my old iPhone and should work fine on any smartphone with a modern browser! Get playing!!! It's fun
Doesn't work with OWB 1.11. Loading stops at about 65%