In my earlier post on Vexed I mentioned the Vexed-clone by the korean developer Kim Byung Kwon. I was highly critical of that app because Kim did not refer to the GNU-license of the original game by James McCombe. Now, it turns out (as discussed in the comments to that post) that James McCombe was possibly not the true originator of that puzzle anyway.
However, Kim did it again, though this time with sliding block puzzles! He simply copied some of the best sliding block puzzles from Nick Baxter’s Sliding Block Page and now sells them for one dollar as Sliding Puzzle (iTunes link), without any mention of the originators! Let me rectify this at least here: the puzzles shown on the screenshot in iTunes are by Junichi Yananose, Serhiy Grabarchuk, Minoru Abe, and Ed Pegg Jr.
Kim’s webpage is difficult to decifer (neither my nor google’s knowledge of Korean is sufficient to really make sense of this page). If somebody know how to contact this person, please let me know. I find this unacceptable.
Puzzling iPhone 
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