Never knew how that "corruption" glitch works different than this one (but made on JP version):
http://www.nicovideo.jp/watch/sm29365530
I know that the published run has some mistakes (when I worked at the time, I never considered about the existence of "undetected" lags), but this one, well, I find this kill cheat boring to use, because has killed some entertainment when compared with dodging enemies (at least with me).
Also, I don't know how much time were saved for each stage (not including battles), but I noted that some tricks were forgotten:
1 - When turnaround, you need to jump exactly like this (because you need to move first):
https://i.imgur.com/TPkfBhn.gifv
2 - Sometimes, it's better going to the wall to stop the movement a bit faster.
3 - On stage 16, in the potion warp room, you should crouch while moving, to faster grab that potion.
Also, AkumaAPN pointed on the youtube encode of the published run (some months after the publication), some tips to improve this game, such as:
From Stage 17: "If you bring up the "select" menu for a second or two during the Monster's descent, he will start his attack a little bit sooner. As it stands in this video, he hesitates for a fraction of a second, waiting for the musical cue. Using the "select" menu will allow the music to advance slightly, and remove the monster's slight hesitation at the bottom of the stairs."
And other: This TAS does not take advantage of one other trick on level 19 to save real-world time. At the beginning of the boss match, you are forced to wait for the lengthy Jafar musical cue, which takes about 10 seconds. Once the musical cue is finished, Jafar will finally raise his hand, and summon the first Guard. Elsewhere in the game, Jafar will not proceed unless this particular music plays itself through. But in this one case, he will proceed after any musical cue. Therefore, as soon as you enter Jafar's throne room, you can hold start + select to bring up the standard sound menu.
This later one also works during the "finish stage" fanfare (after entering that exit door).
I don't know well if this game can be hex-editable, since there are undetected lags and a nasty RNG change on those deadly flames of stage 11.
Also, could be interesting to see a warp from level 8.