As part of another movie promotion:

Screen Gems is partnering with Snapchat again on a 3D lens for its upcoming fifthquel Underworld: Blood Wars.

Source: ‘Underworld: Blood Wars’ Tie-In: Screen Gems & Snapchat Reteam | Deadline

From the various news reports, it sounds like its a 360 degree view. As you rotate your phone about, you see the full 360 degree panorama (or may be sphere). It does not sound like it is 3D at all.