who are they," has uploaded a few images to its Flickr page teasing new hardware bound for this year's Mobile World Congress. First up is the IDEOS X3, an Android handset seemingly set to provide a more budget-oriented family mate to the X5. It has two cameras, one on the front and one on the back, three Android buttons, and at least four different color options (red, blue, silver and black). The Barcelona event will see it joined by an IDEOS S7 Slim tablet, also running Google's mobile OS, though our knowledge about that device doesn't extend any further than noting it too has a front-facing camera. Check it out after the break.