use AppleScript version "2.5" –macOS 10.11 or later
use scripting additions
use framework "Foundation"
use framework "AppKit"

property |NSURL| : a reference to current application’s |NSURL|
property NSArray : a reference to current application’s NSArray
property NSPredicate : a reference to current application’s NSPredicate
property NSURLTypeIdentifierKey : a reference to current application’s NSURLTypeIdentifierKey

tell application "Finder"
　　set aliasList to selection as alias list
end tell

–Filter selection application bundle only
set aRes to filterAliasListByUTI(aliasList, "com.apple.application-bundle") of me
set aLen to length of aRes
if aLen = 0 then return

–Pick up the first element
set anApp to contents of first item of aRes

set aRes to getBundleIDFromPath(POSIX path of anApp) of me
set pListName to aRes & ".plist"

set prefPath to POSIX path of (path to preferences) & pListName
set aExt to current application’s NSFileManager’s defaultManager()’s fileExistsAtPath:prefPath
if aExt = true then
　　revealAFileByFinder(prefPath) of me
end if

on filterAliasListByUTI(aliasList as list, acceptUTI as string)
　　set fList to {}
　　repeat with i in aliasList
　　　　set aUTI to getUTIfromPath(i) of me
　　　　if aUTI is not equal to missing value then
　　　　　　set uRes to filterUTIList({aUTI}, acceptUTI) of me
　　　　　　
　　　　　　if uRes is not equal to {} then
　　　　　　　　set the end of fList to contents of i
　　　　　　end if
　　　　end if
　　end repeat
　　return fList
end filterAliasListByUTI

–Application path –> Bundle ID
on getBundleIDFromPath(aPOSIXpath as string)
　　set aURL to current application’s |NSURL|’s fileURLWithPath:aPOSIXpath
　　set aWorkspace to current application’s NSWorkspace’s sharedWorkspace()
　　set appURL to aWorkspace’s URLForApplicationToOpenURL:aURL
　　set aBundle to current application’s NSBundle’s bundleWithURL:appURL
　　set anID to aBundle’s bundleIdentifier()
　　return anID as string
end getBundleIDFromPath

on revealAFileByFinder(aPOSIXpath as string)
　　set pathStr to current application’s NSString’s stringWithString:aPOSIXpath
　　set parentPath to pathStr’s stringByDeletingLastPathComponent()
　　set aRes to current application’s NSWorkspace’s sharedWorkspace()’s selectFile:pathStr inFileViewerRootedAtPath:parentPath
end revealAFileByFinder

–Alias –> UTI
on getUTIfromPath(anAlias)
　　set aPOSIXpath to POSIX path of anAlias
　　set aURL to current application’s |NSURL|’s fileURLWithPath:aPOSIXpath
　　if aURL = missing value then return missing value
　　set aRes to aURL’s resourceValuesForKeys:{current application’s NSURLTypeIdentifierKey} |error|:(missing value)
　　if aRes = missing value then return missing value
　　return (aRes’s NSURLTypeIdentifierKey) as string
end getUTIfromPath