Super Contra 7 is a pirate game based off the Contra series, developed by E.S.C. Co (alias of Waixing) in 1996 for the Famicom. It is likely a hack of either Contra or Super C, given that the engine appears to be a modified version of the Contra engine.
Mars608, aiqiyou & retroNES improve the previous movie by 00:05.56 seconds. Improvement comes from better routes, more detailed optimization, and better lag control.