Wouldn't it be absolutely splendid if you could hand your phone over to a friend (or complete stranger) without fear of them mucking up your system or digging into your personal bits? Yes, we'd absolutely love to see guest accounts become standard issue on all handsets, but until that day arrives, a new application called SwitchMe will work in a pinch. Word of caution, this app requires root privileges, which may deter many folks.Rather than allowing multiple sessions to run simultaneously, as you'd expect on a desktop computer, SwitchMe lets users to easily jump be