: If "solid piece" refers to content or an experience within Groovy VR, it could mean a particularly immersive, well-crafted, or popular experience or game available on the platform. Groovy VR aims to offer users high-quality VR experiences, so a "solid piece" in this context could be a standout title.
(e.g., for methodology or as a case study), you would typically cite their website or a trade article, not a peer-reviewed paper. grooby vr