BGE Model topology critics.

Before continue in my project, i want be sure that my model has a nice topology:







Specially in the shoulders and ears.
I’m going to use this character as a basemesh, so i want be sure that the topology is the correct.
Thanks.
Blend: https://www.dropbox.com/s/tu69jvbcudahvm5/Jakmar.blend

I don’t normally recommend using triangles, except for game models. a couple of triangles could help straighten out your edge loops around the ears.