Finding a "bossy" girl in the neighborhood could be the best advocate for your child. She will redirect your child and keep the play moving.
Community involvement is the key to long term sustainable support.
Visual reinforcers like schedules and tokens can be a great way to motivate a child.
Pairing pictures with word can be a great way to increase communication skills.
Parents are a critical piece in any treatment program. They are the ones who will generalize the skill and are invested in the outcome.