Seeing that I have never played this game sorry to say I can’t tell what I think on this game . I do know reading on this subject through iTunes that there have been some improved features .
Batman Arkham City Lockdown has been optimized for the new iPad, improving visual quality and delivering an all around great experience. The update includes:
• Improved Game Resolution – Now running at the New iPad 2048 x 1536 resolution
• Improved Visual Effects and Detail
• Enhanced User Interface elements
• Updated to include Hi Resolution Wallpapers
A BRAND NEW BATMAN SKIN – BATMAN YEAR ONE
The Batman Year One skin is now available for purchase. Change your stats and change the game.
MORE COMICS & NEW COMIXOLOGY VIEWER
The new Comixology Viewer added for improved comic viewing, along with 3 new DC Comics!
• Poison Ivy Mission
• Four New Challenge Missions
• Batman Year One skin (IAP)
• Comixology Viewer Update
• Level cap raised from 35 to 40
• Increased Localization
Source – Comics Alliance