Unreleased Pac-Man Tengen Port

Back in 1987 Pac-Man was released in The US on the NES by Tengen and licensed by Namco, later Tengen released there own version after they're licence was evoked. But, during that time Tengen make an all new nes version with Pac-Man with options similar to with Tengen's Ms. Pac-Man port expect without any new stages go long with it, in that 99% of the game was work and completed and ready to go to storeshelves. There was going to be a Genesis and Master System version of Pac-Man and a SNES version will be done by Williams but, three of them were cancelled It's unknown why they never released the port? Perhaps because the Nintendo lawsuit at the time. No video footage or audio can be found online; but screenshots of the port can be found.