In a small bowl; whisk soy, chicken broth, honey, garlic powder, minced garlic, salt, pepper, ginger, brown sugar and reserved pineapple juice.
Pour this mixture over the chicken and veggies and turn crock pot on high. Cook for 3 - 3 1/2 hours, depending on your pot.
When chicken is tender and veggies are cooked. Stir together the corn starch and water. Stir this slurry into the chicken mixture. Add the pineapple and cook on low for another 20 minutes or until sauce thickens. Taste and adjust seasonings if needed.