OnLive Desktop is an Android or iOS App that gives OnLive users their own Windows 7 machine in the cloud. For free users have touch enabled desktop access, Microsoft Office, and some cloud storage.
Upon loading, the os syncs your Documents folder to your user account. You can upload files and documents at files.onlive.com. Which would seem a fairly painless way to test cross platform websites during development on the go. IE will let you browse local html files. It certainly less stressful than trying to run a vm on your hardware.
Unfortunately running foreign exes is a no- no. So if running portable apps or testing your own is important, that will cost you 9.99 a month. Bummer, really wanted give Blender a spin. Plan details.