Why wont it work!!!!!!

Ok I love the movies but the game wont work on my iPod touch 4th gen and I wish it would I want to play the game so bad and I bet there is a lot of people that have iPod 4 out there. What it does is that it goes to the game and I push start and it goes right back to my home screen please fix it! I want to play the game so bad!

Vickozzy21 about The Hobbit: Battle of the Five Armies - Fight for Middle-earth