Developer Page: Mobile & Game Studio
(dev id no. 33 - prev next)

I'm pretty sure this is just a part of IMJ Entertainment. They haven't done much on consoles, but they have developed a few interesting looking mobile games. Interesting looking mobile games that I will never, ever play, because I don't live in Japan and therefore can't get hold of them. Grr.
Official Site:

Simple 2000 Series
The Party Unou Quiz (with IMJ Entertainment), The Zerosen (with Bit Town)

Simple DS Series
The Party Unou Quiz

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