Update Patch and Trials
I think it should be mentioned that Mystic Square has an update patch (from 1.00 to 1.01). Apparently it fixes a scoring bug.
東方封魔録 CanBe用パッチ - This is apparently a sound "patch"(?) for Story of Eastern Wonderland. I didn't understand exactly what's "CanBe", but there's something like this in LLS and MS.
東方怪綺談1.00→1.01差分 - Mystic Square Update Patch
The other links in the site are the trial version of SoEW to MS.