Blarp! Free Download < 90% Simple >

To give you the best information, did you mean the with the "swinging balls" (BLARP!) or the streaming tool for sound effects (Blerp)? Obscure/Trippy VR game - BLARP!

Based on your request, it seems you are looking for the indie VR physics game , developed for the HTC Vive. BLARP! Free Download

A VR headset (such as HTC Vive) is required to play. To give you the best information, did you

It is designed for sensory overload and requires swinging the objects around, similar to using a yoyo or a rope. To give you the best information

Players control a wand, shepherding an expanding number of "blarps" (balls) while avoiding them touching the controller.

Alternatively, if you meant (with an "e"), that is a popular, free-to-download soundboard extension for streamers.