The program was written in C#, and therefore needs the .NET framework to function (.NET 2.0 framework to be specific).
The GUI should be self-explanatory. If xdelta throws an error it'll be displayed to you.
Patch files can now be associated to the patcher so they'll be automatically selected at startup. The recommended ending for xdelta patches is *.xdelta. Thanks to Dragonsbrethren for the suggestion.
I feel like this game could have fit the canon spinoff slot that the Investigation games filled on the DS.
An unofficial subreddit for Ace Attorney, a murder mystery-solving visual novel/adventure game series from Capcom.