Board Thread:Off-Topic Discussion/@comment-30602727-20160202181457/@comment-29714788-20160419033345

Act 2 was supposed to improve upon the problems the Kagamines had in Act 1 though, their Act 1 was choppy and low quality, Act 2 slightly fixed that. Kagamine V4X is basically an import and add growl of their append package and adds XSY abilities to it.