well really game is very interesting, about UE4 what news gildor? you working in that? I see files stored into PAK archive, I take a look inside file and found this.
.............................O..BF.0.E..d.%.).n.{.. "FileVersion" : 3,......"FriendlyName" : "Blank Example Plugin",..."Version" : 1,..."VersionName" : "1.0",..."CreatedBy" : "Epic Games, Inc.",..."CreatedByURL" : "
http://epicgames.com",..."EngineVersion" : 1579795,..."Description" : "An example of a minimal plugin. This can be used as a starting point when creating your own plugin.",..."Category" : "Examples",..... "Modules" :...[....{....."Name" : "BlankPlugin",....."Type" : "Developer"....}...]..}..........