Ofilmywap is a notorious piracy website known for leaking movies in various qualities (300MB, 720p, 1080p). It has been blocked multiple times by the Indian government and ISPs, but it keeps re-appearing under new domain names (like .dev , .app , .icu , etc.).
Before understanding the "Dev Exclusive" tag, we must understand the parent platform. Ofilmywap is a notorious torrent and direct-download website that primarily focuses on Hindi movies, but also offers content in: ofilmywap+dev+exclusive