VMware and LG Electronics in December that is expected to ship sometime early this year, followed by other LG Android devices.

A Speed Catch?

Type II hypervisors worked well enough on PCs, but far slower than "bare metal" Type I hypervisors because of the additional layer of software on top of the operating system, Song says.

On phones, which have much less processing power, Type I hypervisors could work much more effectively, but they depend on the ability of the developer to code them to an incredibly wide variety of hardware, Song says.

That's Citrix's strategy, and has been from the beginning, according to Citrix CTO Simon Crosby. The company has been shipping bare-metal hypervisor clients in its since it shipped an Android version in April, 2010 and plans to continue expanding the line.