The phrase is a search for a loophole—a way to bypass paying creators. While the site technically works in the most primitive sense (file downloads to memory), the cost is far higher than the subscription fee.
The site operates by illegally ripping DRM-protected content from legitimate OTT apps and re-encoding it into smaller file sizes (300MB, 700MB, 1GB) to facilitate easy downloading on mobile devices. The "wap" in its name highlights its historical focus on mobile users—specifically those with lower bandwidth and older smartphones. 1filmy4wap ullu web series work