According to Snapchat, the Lenses featuring the 2-D and 3-D objects — which you'll create using Lens Studio — will live "in the world" within the rear-facing Snapchat camera.

If you're ready to get creative, here's how to make a Snapchat Lens for Halloween using Snapchat's Lens Studio. The process of customizing a Lens is actually pretty simple.

Lens Studio is a free platform launched by social media giants Snapchat in mid-December on which designers can build AR experiences. Snap’s second official app is a tool that lets you design and ...