OK so I work in a PC parts shop and tested this on my viewsonic 10s with android 3.2 and it works. the unit is a xtena wireless palm keyboard with mouse pad. model: PKB-1720. on ebuyer for about 20 GBP plus vat. we have another wireless keyboard from xenta at work which I will test on monday. this first keyboard i noted above works with android 2.3.3 or above, i have tested it on several tablets. I hope this helps someone out there!