ViewSonic is making a surprisingly big showing at Mobile World Congress. Up to now they haven't made much of an impact on Android, especially on the smartphone side of things. They aim to fix that with a trio of new smartphones, one of which is the rather temptingly titled ViewPhone 4S. As you might have guessed, it's got more in common with a certain Cupertino phone than a similar name. We took a gander at ViewSonic's MWC booth to see if it could match the goose.