While there is no single academic paper exclusively titled "5KPlayer Portable," the most relevant and "interesting" research paper involving 5KPlayer is "Accessibility in 360° video players" by Chris J. Hughes and Mario Montagud. Springer Nature Link
Summary:
5KPlayer Portable is a handy, no-install version of the popular media player that supports video/audio playback, online video downloading, and AirPlay streaming. It’s a solid choice for users who need a multi-functional media tool without leaving traces on a PC. 5kplayer portable
Every piece of free software has a monetization strategy. For 5KPlayer, there are two major drawbacks: While there is no single academic paper exclusively
How to use it (portable workflow)
Ultra HD Playback: Supports smooth playback for 4K, 5K, and even 8K FUHD videos, along with 360-degree and 3D movies. It’s a solid choice for users who need