Great game, but doesnt have great compatibility

I played Ittle Dew on the computer and I think it is a really great game 5/5 stars, but Im rating it 4/5 stars, because I bought it on my iPod Touch 4th generation and it cant get passed the save screen without crashing.
If I were you, I wouldnt buy this for anything that is more than 1 generation behind, or it might not be able to run smoothly or at all

Spencer T about Ittle Dew