frontApp frontAppName windowTitle.applescript

use AppleScript version "2.4" -- Yosemite (10.10) or later
use scripting additions

global frontApp, frontAppName, windowTitle

set windowTitle to ""
tell application "System Events"
	set frontApp to first application process whose frontmost is true
	set frontAppName to name of frontApp
	tell process frontAppName
		tell (1st window whose value of attribute "AXMain" is true)
			set windowTitle to value of attribute "AXTitle"
		end tell
	end tell
end tell

return {frontAppName, windowTitle}