https://www.cnet.com/news/snapchats-snap-camera-brings-dog-ears-and-other-lenses-to-your-computer/

Snap also announced that it's partnering with Twitch to let streamers use Snapchat Lenses during their livestreams, and it's giving Twitch streamers and viewers access to custom Twitch Lenses.

Snap says you don't need a Snapchat account to use Snap Camera on desktop. To give Snap Camera a spin, you can download it at snapcamera.snapchat.com.