The high end of the cell phone market is a lucrative, but highly competitive space. Consumers have fairly straightforward choices when it comes to iPhones or Windows devices, but there are more confusing choices among the Android phones.

In this multipart review series, Motley Fool analysts Eric Bleeker and Rex Moore look at three of the Android giants -- the HTC One, Nexus 4, and Samsung Galaxy S4 -- and how they stack up against each other as well as the non-Android competition. In today's video, Eric and Rex introduce the phones and talk about the competitive landscape among the various players.