You have a fabulous sense of colour, and it's clear you aren't afraid to experiment with it! I love the way you use colour to express character and tone. Your art is very expressive, and very stylistic, which is awesome! I'm always in favour of artists having a style that's unique to them, and it's very obvious your art style is yours alone. You also have a great sense of pose, facial expression, and character development, and these are often the hardest things to nail down! I also love the sketchy quality of your artwork. It makes the characters feel more real, and adds a bit of texture.
I think your biggest issue lies in anatomy, and honestly, developing that skill really just boils down to practice, practice, practice! Oh, and using plenty of references. I can see where you've gotten a little lazy with anatomy, or maybe just given up after not being able to get it right (hands, am I right?). We've all been there. All you can do is keep on working at it!
All in all, great style, good art, just needs some polishing. Keep up the great work!