The Willy is a stand for your desk or dash and has two juxtaposed suction cups that let you display your phone at an appropriate angle.
The Jack has one suction cup and extra space suitable for branding with a company logo, as suggested by Jack, their sales guy! You can even use it as a shoulder rest for hands free calling.
They also have a vent clip model. While their ideal target is the iPhone, their products could be used with just about any phone with at least a dollar coin sized flat space on the back. I plan to use the vent clip with my Garmin GPS.